Popular Self Improvement Books 2022

Best Self Improvement Discount Books

The Subtle Art of Not Giving a F*ck

The Subtle Art of Not Giving a F*ck

Mark MansonSeptember 13, 2016$12.99

#1 New York Times Bestseller Over 10 million copies sold In this generation-defining self-help guide, a superstar blogger cuts through the crap to sho...

The Four Agreements

The Four Agreements

Don Miguel Ruiz & Janet MillsJanuary 18, 2010$7.99

In The Four Agreements, bestselling author don Miguel Ruiz reveals the source of self-limiting beliefs that rob us of joy and create needless sufferin...

The 48 Laws of Power

The 48 Laws of Power

Robert Greene & Joost ElffersSeptember 1, 1998$16.99

Amoral, cunning, ruthless, and instructive, this multi-million-copy  New York Times  bestseller   is the definitive manual for any...

Love Unfu*ked

Love Unfu*ked

Gary John BishopJanuary 18, 2022$3.99

From the New York Times bestselling author of Unfu*k Yourself comes tough-love that explains what makes relationships work: you taking responsibi...

The Power of Voice

The Power of Voice

Denise WoodsJanuary 26, 2021$2.99

Foreword by Academy Award-winner Mahershala Ali “A comprehensive masterpiece. . . . Throughout the course of my life, I have struggled to be heard. ...

The Power of Letting Go

The Power of Letting Go

John PurkissFebruary 6, 2020$1.99

'Life-changing' - Sara Makin, Founder & CEO of Makin Wellness If you learn to let go, your life will take off. When you let go, you live intuitive...

How to Not Die Alone

How to Not Die Alone

Logan UryFebruary 2, 2021$10.99

A “must-read” ( The Washington Post ) funny and practical guide to help you find, build, and keep the relationship of your dreams. Have you ever l...

Essential Retirement Planning for Solo Agers

Essential Retirement Planning for Solo Agers

Sara Zeff Geber, PhDApril 15, 2018$1.99

A practical yet humorous guide to aging solo gracefully and achieving a happy retirement. In Essential Retirement Planning for Solo Agers , certified ...

Think and Grow Rich

Think and Grow Rich

Napoleon HillAugust 18, 2005$7.99

This book contains money-making secrets that can change your life. Think and Grow Rich, based on the author’s famed Law of Success, represents the d...

The Mastery of Love

The Mastery of Love

Don Miguel RuizJanuary 18, 2010$7.99

In The Mastery of Love, don Miguel Ruiz illuminates the fear-based beliefs and assumptions that undermine love and lead to suffering and drama in our ...

Alcoholics Anonymous, Fourth Edition

Alcoholics Anonymous, Fourth Edition

Anonymous & Alcoholics Anonymous World Services, Inc.December 4, 2013$5.99

Known as the "Big Book," the basic text of Alcoholics Anonymous has helped millions of people worldwide get and stay sober since the first edition app...

The Untethered Soul

The Untethered Soul

Michael A. SingerOctober 3, 2007$10.99

#1  New York Times bestseller What would it be like to free yourself from limitations and soar beyond your boundaries? What can you do each day t...

You Are a Badass®

You Are a Badass®

Jen SinceroApril 23, 2013$9.99

Packed with humor, inspiration, and advice, You Are a Badass is the #1 New York Times bestselling self-help book that teaches you how to get better wi...

Quit Like a Woman

Quit Like a Woman

Holly WhitakerDecember 31, 2019$12.99

NEW YORK TIMES BESTSELLER • “An unflinching examination of how our drinking culture hurts women and a gorgeous memoir of how one woman healed hers...

The Mountain Is You

The Mountain Is You

Brianna WiestMay 31, 2020$9.99

This book is about self-sabotage. Why we do it, when we do it, and how to stop doing it—for good. Coexisting but conflicting needs create self-sabot...

The 5AM Club

The 5AM Club

Robin SharmaDecember 4, 2018$11.99

Legendary leadership and elite performance expert Robin Sharma introduced The 5am Club concept over twenty years ago, based on a revolutionary morning...

The Laws of Human Nature

The Laws of Human Nature

Robert GreeneOctober 23, 2018$17.99

From the #1 New York Times -bestselling author of The 48 Laws of Power comes the definitive new book on decoding the behavior of the people around you...

Unfu*k Yourself

Unfu*k Yourself

Gary John BishopAugust 1, 2017$13.99

Joining the ranks of The Life-Changing Magic of Not Giving a F*ck, The Subtle Art of Not Giving a F*ck, You Are a Badas*, and F*ck Feelings comes this...

The Hard Way

The Hard Way

Brad LeaSeptember 30, 2021$9.99

This book is to help people avoid challenges, heartache, and pitfalls in life and business. You no longer have to learn these lessons The Hard Way lik...

How to win friends & influence people

How to win friends & influence people

Dale CarnegieNovember 17, 2016$2.99

The book ' How to win Friends & Influence People ' presents a lot on personality development thus making you an extraordinary person. The book pro...

Everything Is F*cked

Everything Is F*cked

Mark MansonMay 14, 2019$11.99

From the author of the international mega-bestseller The Subtle Art of Not Giving A F*ck comes a counterintuitive guide to the problems of hope. We li...

The Proper Care and Feeding of Marriage

The Proper Care and Feeding of Marriage

Dr. Laura SchlessingerOctober 13, 2009$1.99

The follow-up to her million-copy bestseller The Proper Care and Feeding of Husbands, Dr. Laura focuses on both partners in the relationship and revea...

One Small Step Can Change Your Life

One Small Step Can Change Your Life

Robert MaurerApril 22, 2014$1.99

Improve your life fearlessly with this essential guide to kaizen—the art of making great and lasting change through small, steady steps. The philoso...

Four Thousand Weeks

Four Thousand Weeks

Oliver BurkemanAugust 10, 2021$13.99

AN INSTANT NEW YORK TIMES BESTSELLER "Provocative and appealing . . . well worth your extremely limited time." —Barbara Spindel, The Wall Street Jou...

Twelve Steps and Twelve Traditions

Twelve Steps and Twelve Traditions

Anonymous & Alcoholics Anonymous World Services, Inc.December 18, 2013$5.99

Commonly referred to as the “Twelve and Twelve,” Twelve Steps and Twelve Traditions comprises 24 foundational essays by Alcoholics Anonymous co-fo...

Breaking the Habit of Being Yourself

Breaking the Habit of Being Yourself

Dr. Joe DispenzaFebruary 15, 2012$9.99

You are not doomed by your genes and hardwired to be a certain way for the rest of your life.  A new science is emerging that empowers all human ...

The 4-Hour Workweek, Expanded and Updated

The 4-Hour Workweek, Expanded and Updated

Timothy FerrissDecember 15, 2009$11.99

The New York Times bestselling author of The 4-Hour Body shows readers how to live more and work less, now with more than 100 pages of new, cutting-ed...

When You’re Ready, This Is How You Heal

When You’re Ready, This Is How You Heal

Brianna WiestJanuary 18, 2022$9.99

In her follow-up collection to the international bestseller  101 Essays That Will Change The Way You Think,  Brianna Wiest shares 45+ new pi...

Coffee Self-Talk

Coffee Self-Talk

Kristen HelmstetterAugust 31, 2020$9.99

Coffee Self-Talk is a powerful, life-changing routine that takes only 5 minutes a day. What if you could wake up every morning feeling more incredible...

This Naked Mind

This Naked Mind

Annie GraceOctober 12, 2015$13.99

This Naked Mind has ignited a movement across the country, helping thousands of people forever change their relationship with alcohol.   Many peo...

As Bill Sees It

As Bill Sees It

Anonymous & Alcoholics Anonymous World Services, Inc.December 3, 2014$5.99

Alcoholics Anonymous co-founder Bill W. once wrote that this collection of excerpts from his writings was “meant to serve as an aid to individual me...

The Daily Laws

The Daily Laws

Robert GreeneOctober 12, 2021$15.99

A NEW YORK TIMES BESTSELLER   From the world’s foremost expert on power and strategy comes a daily devotional designed to help you seize your d...

Set Boundaries, Find Peace

Set Boundaries, Find Peace

Nedra Glover TawwabMarch 16, 2021$13.99

The instant  New York Times  bestseller End the struggle, speak up for what you need, and experience the freedom of being truly yourself. He...

Discipline Equals Freedom

Discipline Equals Freedom

Jocko WillinkOctober 13, 2020$14.99

In this expanded edition of the 2017 mega-bestseller, updated with brand new sections like DO WHAT MAKES YOU HAPPY, SUGAR COATED LIES and DON'T NEGOTI...

Think Like a Monk

Think Like a Monk

Jay ShettySeptember 8, 2020$12.99

Jay Shetty, social media superstar and host of the #1 podcast On Purpose , distills the timeless wisdom he learned as a monk into practical steps anyo...

Big Magic

Big Magic

Elizabeth GilbertSeptember 22, 2015$9.99

The instant #1 NEW YORK TIMES Bestseller "A must read for anyone hoping to live a creative life... I dare you not to be inspired to be brave, to be fr...

The Almanack of Naval Ravikant

The Almanack of Naval Ravikant

Eric JorgensonSeptember 15, 2020$2.99

Getting rich is not just about luck; happiness is not just a trait we are born with. These aspirations may seem out of reach, but building wealth and ...

Adult Children of Emotionally Immature Parents

Adult Children of Emotionally Immature Parents

Lindsay C. GibsonJune 1, 2015$10.99

If you grew up with an emotionally immature, unavailable, or selfish parent, you may have lingering feelings of anger, loneliness, betrayal, or abando...

Bamboozled By Jesus

Bamboozled By Jesus

Yvonne OrjiMay 25, 2021$13.99

Thriving stand-up comic and actress Yvonne Orji—best known as Issa Rae's BFF on the HBO series, Insecure— shares the secrets to living the life of...

The Fifth Agreement

The Fifth Agreement

Don Miguel Ruiz, Don Jose Ruiz & Janet MillsJanuary 18, 2010$7.99

From the international bestselling author of The Four Agreements In The Four Agreements, don Miguel Ruiz revealed how the process of our education, or...

The Richest Man in Babylon (Original Classic Edition)

The Richest Man in Babylon (Original Classic Edition)

George S. ClasonMarch 5, 2019$0.99

ACCUMULATE ALL OF THE RICHES THAT YOU DESIRE Be all that you are capable of, as you start your journey of self-discovery and be on your way to fill yo...

Girl, Wash Your Face

Girl, Wash Your Face

Rachel HollisFebruary 6, 2018$10.99

#1 NEW YORK TIMES BESTSELLER – OVER 3 MILLION COPIES SOLD Do you ever suspect that everyone else has life figured out and you don’t have a clue? I...

The Power of Fun

The Power of Fun

Catherine PriceDecember 21, 2021$13.99

If you’re not having fun, you’re not fully living. The author of How to Break Up with Your Phone makes the case that, far from being fri...

The Power of Your Subconscious Mind

The Power of Your Subconscious Mind

Joseph MurphyDecember 24, 2009$8.99

Here is the complete, original text of the millions-selling self- help guide that reveals your invisible power to attain any goal-paired with a compel...

Courage to Change

Courage to Change

Al-Anon Family GroupsDecember 3, 2015$9.99

More daily inspiration from a fresh, diverse perspective. Insightful reflections reveal surprisingly simple things that can transform lives.

The Monk Who Sold His Ferrari, Special 15th Anniversary Edition

The Monk Who Sold His Ferrari, Special 15th Anniversary Edition

Robin SharmaOctober 3, 2011$5.99

Includes a bonus excerpt of Robin Sharma's upcoming The Secret Letters of the Monk Who Sold His Ferrari. With more than four million copies sold in fi...

Buy Yourself the F*cking Lilies

Buy Yourself the F*cking Lilies

Tara SchusterFebruary 18, 2020$12.99

Brutally honest, often hilarious, hard-won lessons in learning to love and care for yourself from a former vice president at Comedy Central who was ca...

A Mind For Numbers

A Mind For Numbers

Barbara Oakley, PhDJuly 31, 2014$13.99

The companion book to COURSERA®'s wildly popular massive open online course "Learning How to Learn" Whether you are a student struggling to fulfill a...

The Way of the Superior Man

The Way of the Superior Man

David DeidaFebruary 1, 2017$9.99

The mark of a true classic is that it becomes more relevant with the passage of time Twenty years ago, David Deida wrote The Way of the Superior Man s...

Heart Thoughts

Heart Thoughts

Louise HayMarch 1, 1992$9.99

A charming and valuable treasure trove of small pieces of inner wisdom that can guide you through any problem you might face. Compiled from Louise Hay...

Grit

Grit

Angela DuckworthMay 3, 2016$14.99

In this instant New York Times bestseller, Angela Duckworth shows anyone striving to succeed that the secret to outstanding achievement is not talent,...

Running on Empty

Running on Empty

Jonice Webb, PhD & Christine Musello, PsyDOctober 1, 2012$12.99

This informative guide helps you identify and heal from childhood emotional neglect so you can be more connected and emotionally present in your life....

The Seven Spiritual Laws of Success

The Seven Spiritual Laws of Success

Deepak ChopraMarch 29, 2010$7.99

In The Seven Spiritual Laws of Success, Deepak Chopra distills the essence of his teachings into seven simple, yet powerful principles that can easily...

The Ethical Slut, Third Edition

The Ethical Slut, Third Edition

Janet W. Hardy & Dossie EastonAugust 15, 2017$12.99

The classic guide to love, sex, and intimacy beyond the limits of conventional monogamy has been fully updated to reflect today’s modern attitudes a...

The Language of Letting Go

The Language of Letting Go

Melody BeattieDecember 12, 2009$4.99

As the coronavirus pandemic affects our loved ones, our cherished communities, and our own health and wellbeing, we may be tempted to return to the ca...

The Gifts of Imperfection

The Gifts of Imperfection

Brené BrownSeptember 20, 2010$12.99

When our embarrassments and fears lie, we often listen to them anyway. They thwart our gratitude, acceptance, and compassion—our goodness. They insi...

Manifesting Made Easy

Manifesting Made Easy

Jen Mazer & Joe VitaleDecember 2, 2016$12.99

"Jen, you surprised me and impressed me. So well done! I applaud you for what you're doing. You're making a difference and helping women everywhere." ...

The Slight Edge

The Slight Edge

Jeff OlsonNovember 4, 2013$9.99

Turning Simple Disciplines into Massive Success & Happiness The Slight Edge is a way of thinking, a way of processing information that enables you...

A Child Called It

A Child Called It

Dave PelzerJanuary 1, 2010$10.99

This book chronicles the unforgettable account of one of the most severe child abuse cases in California history. It is the story of Dave Pelzer, who ...

Do Epic Shit

Do Epic Shit

Ankur WarikooMarch 14, 2021$9.99

Ankur Warikoo is an entrepreneur and content creator whose witty and brutally honest thoughts on success and failure, money and investing, self-awaren...

Allen Carr's Easy Way to Control Alcohol

Allen Carr's Easy Way to Control Alcohol

Allen CarrNovember 3, 2009$3.99

Allen Carr established himself as the world’s greatest authority on helping people stop smoking, and his internationally best-selling Easy Way ...

Chatter

Chatter

Ethan KrossJanuary 26, 2021$12.99

NATIONAL BESTSELLER • An award-winning psychologist reveals the hidden power of our inner voice and shows how to harness it to combat anxiety, impro...

Full Out

Full Out

Monica AldamaJanuary 4, 2022$14.99

From the breakout star of Netflix’s Cheer , a motivational and inspiring guide to becoming a champion in all areas of life. In Full Out , “the Bil...

Sex and Love Addicts Anonymous

Sex and Love Addicts Anonymous

The Augustine FellowshipNovember 29, 2013$9.99

Conference-approved by S.L.A.A., this book provides insight into the problem of sex and love addiction, information on working the 12 steps of S.L.A.A...

Los cuatro acuerdos

Los cuatro acuerdos

Don Miguel RuizMarch 25, 2010$7.99

En Los cuatro acuerdos, don Miguel Ruiz revela la fuente de todas las creencias que nos ponen límites y nos privan de alegría, creando sufrimiento i...

The Forum – January 2022

The Forum – January 2022

Al-Anon Family GroupsDecember 21, 2021$1.99

The Forum is an international monthly publication of Al‑Anon Family Groups, a fellowship that offers help and hope for the families and friends of a...

Designing Your Life

Designing Your Life

Bill Burnett & Dave EvansSeptember 20, 2016$12.99

#1 NEW YORK TIMES BEST SELLER • At last, a book that shows you how to build— design— a life you can thrive in, at any age or stage Designers cre...

Anxiety in Relationships & Overcome Anxiety: How to Eliminate Negative Thinking, Jealousy, Attachment and Couple Conflicts. Overcome Anxiety, Depression, Fear, Panic attacks, Worry, and Shyness.

Anxiety in Relationships & Overcome Anxiety: How to Eliminate Negative Thinking, Jealousy, Attachment and Couple Conflicts. Overcome Anxiety, Depression, Fear, Panic attacks, Worry, and Shyness.

Lilly AndrewSeptember 2, 2020$4.99

Stop Anxiety Dead in Its Tracks & Become the Confident, Emotionally Secure, & Positive Person You're Always Meant to Be! Do you fear change, o...

Hope for Today

Hope for Today

Al-Anon Family GroupsFebruary 28, 2020$9.99

Daily sharings from Al‑Anon’s adult children members are for anyone who wants to grow in acceptance, compassion, and understanding. Indexed.

Tiny Habits

Tiny Habits

B.J. FoggDecember 31, 2019$9.99

NEW YORK TIMES BESTSELLER. A habit expert from Stanford University shares his breakthrough method for building habits quickly and easily. With Tiny Ha...

Critical Thinking and Self-Awareness: How to Use Critical Thinking Skills to Find Your Passion: Plus 20 Questions You Must Ask Yourself

Critical Thinking and Self-Awareness: How to Use Critical Thinking Skills to Find Your Passion: Plus 20 Questions You Must Ask Yourself

Steven WestJuly 17, 2019$2.99

Are you ready to get clarity and finally find your Passion? Have you ever wondered what your place in this world is? What your passion in life is? May...

Unbreakable

Unbreakable

Jay GlazerJanuary 25, 2022$14.99

Jay Glazer—a top NFL insider on Fox NFL Sunday, an MMA coach, actor, and a veteran advocate and founder of MVP (Merging Vets and Play...

Limitless

Limitless

Jim KwikApril 7, 2020$12.99

An instant  New York Times  bestseller and #1  Wall Street Journal  bestseller.   JIM KWIK, the world’s #1 brain coach, has...

We Are the Luckiest

We Are the Luckiest

Laura McKowenJanuary 7, 2020$12.99

“We Are the Luckiest is a masterpiece. It’s the truest, most generous, honest, and helpful sobriety memoir I’ve read. It’s going to save lives...

Allen Carr’s Easy Way to Stop Smoking

Allen Carr’s Easy Way to Stop Smoking

Allen CarrNovember 30, 2009$11.99

‘If you follow my instructions you will be a happy non-smoker for the rest of your life.’  That’s a strong claim from Allen Carr, but as th...

Think and Grow Rich

Think and Grow Rich

Napoleon HillMay 6, 2016$0.99

What do you want most in your life? Napoleon Hill describes thirteen steps to individual achievement revealed to him by self-made millionaire Andrew C...

Breakup Bootcamp

Breakup Bootcamp

Amy ChanDecember 1, 2020$1.99

“A relationship expert whose work is like that of a scientific Carrie Bradshaw.” —THE OBSERVER A self-affirming, holistic guide for everyon...

Enamórate de ti

Enamórate de ti

Walter RisoMarch 1, 2012$5.99

Una buena autoestima incrementa las emociones positivas. Además, entre otras cosas, permite alcanzar mayor eficacia en las tareas, mejorar las relaci...

Why Has Nobody Told Me This Before?

Why Has Nobody Told Me This Before?

Dr Julie SmithJanuary 11, 2022$14.99

International bestseller “Smart, insightful, and warm. Dr. Julie is both the expert and wise friend we all need.” –Lori Gottlieb, New York ...

The Year of Less

The Year of Less

Cait FlandersJanuary 16, 2018$1.99

In her late twenties, Cait Flanders found herself stuck in the consumerism cycle that grips so many of us: earn more, buy more, want more, rinse, repe...

Redefining Anxiety

Redefining Anxiety

Dr. John DelonyNovember 17, 2020$9.99

Anxiety is real—but it isn’t the end of your story. Dr. John Delony knows what anxiety feels like. He’s walked that dark road himself, but he fo...

The Happiness Advantage

The Happiness Advantage

Shawn AchorSeptember 14, 2010$9.99

INTERNATIONAL BESTSELLER • The happy secret to greater success and fulfillment in work and life—a must-read for everyone trying to flourish i...

The Empath's Survival Guide

The Empath's Survival Guide

Judith OrloffApril 4, 2017$11.99

What is the difference between having empathy and being an empath? “Having empathy means our heart goes out to another person in joy or pain,” say...

IT'S ALL IN YOUR HEAD

IT'S ALL IN YOUR HEAD

RussNovember 12, 2019$15.99

Instant National Bestseller! Wall Street Journal bestseller; USA Today bestseller; Publishers Weekly bestseller; international bestseller. An ins...

Journey to the Heart

Journey to the Heart

Melody BeattieApril 30, 2013$12.99

Journey to the Heart by New York Times bestselling author of Codependent No More, Beyond Codependency, and Lessons of Love, contains 365 insightful da...

Burnout

Burnout

Emily Nagoski, PhD & Amelia Nagoski, DMAMarch 26, 2019$12.99

NEW YORK TIMES  BESTSELLER • “This book is a gift! I’ve been practicing their strategies, and it’s a total game-changer.”—Brené...

Life is Messy

Life is Messy

Matthew KellyAugust 15, 2021$9.99

Life is messy. It isn't a color-within-the-lines exercise. It's a wild and outrageous invitation full of uncertain outcomes. The mess of life is both ...

The Road Less Traveled

The Road Less Traveled

M. Scott PeckMarch 13, 2012$13.99

Now featuring a new introduction by Dr. M. Scott Peck, the twenty-fifth anniversary edition of the classic bestseller The Road Less Traveled, celebrat...

Dr. Bob and the Good Oldtimers

Dr. Bob and the Good Oldtimers

Anonymous & Alcoholics Anonymous World Services, Inc.September 23, 2015$7.99

Alcoholics Anonymous, by its very nature, could not have been founded by one person: its essence is sharing. Bill W. and Dr. Bob are always referred t...

Psycho-Cybernetics: Updated and Expanded.

Psycho-Cybernetics: Updated and Expanded.

Maltz, MaxwellMay 22, 2020$9.99

Cybernetics (loosely translated from the Greek): “a helmsman who steers his ship to port.” Psycho-Cybernetics is a term coined by Dr. Maxwell Malt...

Mirror Work

Mirror Work

Louise HayMarch 22, 2016$9.99

From the New York Times best-selling author of You Can Heal Your Life Mirror work has long been Louise Hay’s signature method for cultivating a deep...

The Maxwell Daily Reader

The Maxwell Daily Reader

John C. MaxwellApril 18, 2011$9.99

Noticeably grow your leadership skills day by day over 365 days through this timeless wisdom—comprised from fourteen of New York Times bestselling a...

Cómo hacer que te pasen cosas buenas

Cómo hacer que te pasen cosas buenas

Marian Rojas EstapéOctober 9, 2018$6.99

Uniendo el punto de vista científico, psicológico y humano, la autora nos ofrece una reflexión profunda, salpicada de útiles consejos y con vocaci...

The Anarchist Cookbook

The Anarchist Cookbook

William PowellMarch 3, 2020$8.99

Perhaps the most notorius How To manual on the market. This is the most asked for book that we know of. Is it any good? Well, it's now in its 30th pri...

Daring Greatly

Daring Greatly

Brené BrownSeptember 11, 2012$12.99

The #1 New York Times bestseller. More than 2 million copies sold! Look for Brené Brown’s new podcast, Dare to Lead, as well as her ongoing podcast...

Show Your Work!

Show Your Work!

Austin KleonMarch 6, 2014$9.99

In his New York Times bestseller Steal Like an Artist , Austin Kleon showed readers how to unlock their creativity by “stealing” from the communit...

The Four Agreements Companion Book

The Four Agreements Companion Book

Don Miguel RuizMarch 18, 2010$6.99

The Four Agreements introduced a simple, yet powerful code of conduct for attaining personal freedom and happiness, and the Companion Book takes you e...

The Power of Positive Thinking

The Power of Positive Thinking

Norman Vincent PealeJune 7, 2015$1.99

"This book is written with the sole objective of helping the reader achieve a happy, satisfying, and worthwhile life." -- Norman Vincent Peale The pre...

How Al-Anon Works

How Al-Anon Works

Al-Anon Family GroupsOctober 25, 2013$9.99

Al-Anon's basic book discusses our mutual-help program of recovery, including personal stories. A beginning approach to the Twelve Concepts of Service...