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Hay House

The Let Them Theory: A Life-Changing Tool That Millions of People Can't Stop Talking About

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Over 7 Million Copies Sold! 1 New York Times Bestseller 1 Sunday Times Bestseller 1 Amazon Bestseller 1 Audible Bestseller A Life-Changing Tool Millions of People Can’t Stop Talking About What if the key to happiness, success, and love was as simple as two words? If you've ever felt stuck, overwhelmed, or frustrated with where you are, the problem isn't you. The problem is the power you give to other people. Two simple words—Let Them—will set you free. Free from the opinions, drama, and judgments of others. Free from the exhausting cycle of trying to manage everything and everyone around you. The Let Them Theory puts the power to create a life you love back in your hands—and this book will show you exactly how to do it. In her latest groundbreaking book, The Let Them Theory, Mel Robbins—New York Times bestselling author and one of the world's most respected experts on motivation, confidence, and mindset—teaches you how to stop wasting energy on what you can't control and start focusing on what truly matters: YOU. Your happiness. Your goals. Your life. Using the same no-nonsense, science-backed approach that's made The Mel Robbins Podcast a global sensation, Robbins explains why The Let Them Theory is already loved by millions and how you can apply it in eight key areas of your life to make the biggest impact. Within a few pages, you'll realize how much energy and time you've been wasting trying to control the wrong things—at work, in relationships, and in pursuing your goals—and how this is keeping you from the happiness and success you deserve. Written as an easy-to-understand guide, Robbins shares relatable stories from her own life, highlights key takeaways, relevant research and introduces you to world-renowned experts in psychology, neuroscience, relationships, happiness, and ancient wisdom who champion The Let Them Theory every step of the way. Learn how to: Stop wasting energy on things you can't control Stop comparing yourself to other peopleBreak free from fear and self-doubtRelease the grip of people's expectationsBuild the best friendships of your lifeCreate the love you deservePursue what truly matters to you with confidenceBuild resilience against everyday stressors and distractionsDefine your own path to success, joy, and fulfillment. . . and so much more. The Let Them Theory will forever change the way you think about relationships, control, and personal power. Whether you want to advance your career, motivate others to change, take creative risks, find deeper connections, build better habits, start a new chapter, or simply create more happiness in your life and relationships, this book gives you the mindset and tools to unlock your full potential. Order your copy of The Let Them Theory now and discover how much power you truly have. It all begins with two simple words. The cover has been updated to include the name of co-author Sawyer Robbins. Customers may receive either version of the cover at random. Read more

Publisher ‏ : ‎ Hay House LLC


Publication date ‏ : ‎ December 24, 2024


Language ‏ : ‎ English


Print length ‏ : ‎ 336 pages


ISBN-10 ‏ : ‎ 1401971369


ISBN-13 ‏ : ‎ 66


Item Weight ‏ : ‎ 1.25 pounds


Dimensions ‏ : ‎ 6.38 x 1.06 x 9.31 inches


Best Sellers Rank: #3 in Books (See Top 100 in Books) #1 in Motivational Management & Leadership #1 in Business Motivation & Self-Improvement (Books) #1 in Success Self-Help


#1 in Motivational Management & Leadership:


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Top Amazon Reviews

    • The Let Them Theory for Setting Boundaries and Managing Difficult Relationships, LET ME tell you...
Format: Hardcover
I bought The Let Them Theory for myself while navigating a difficult relationship with a narcissistic parent, and this book genuinely opened my eyes. It offers grounded, practical principles that helped me reframe how I respond to behavior I can’t control—and that shift alone has been incredibly freeing. The core message is simple but powerful: stop trying to manage other people’s reactions and focus on your own boundaries, expectations, and peace. Rather than pushing toxic positivity or unrealistic solutions, the book stays rooted in emotional realism. It helped me recognize patterns, detach from unnecessary conflict, and approach the relationship with more clarity and less emotional exhaustion. What really surprised me was how useful this book became for more than just one relationship. My wife and I read it together, and it sparked meaningful conversations about boundaries, communication, and how we show up in all kinds of challenging relationships—family, work, and friendships. It gave us a shared language and practical tools we could actually apply day to day. If there’s one thing I wish, it’s that I had discovered this book sooner. Some readers may already be familiar with similar concepts, but the way they’re explained here feels accessible, validating, and easy to implement without feeling clinical or overwhelming. Overall, this is a thoughtful, empowering read that can genuinely change how you navigate difficult relationships. Highly recommended for anyone dealing with emotionally challenging family dynamics or trying to protect their peace without guilt. ... show more
Reviewed in the United States on February 5, 2026 by Chris (That's a photo of my dog)
    • Highly recommend this book
Format: Hardcover
This is an excellent book and I am so glad it was recommended to me by my therapist. The concepts are easy to understand and very practical, and it really helped shift my perspective in a healthy way. It is one of those books that makes you pause and reflect on your own habits and boundaries without feeling overwhelming or preachy. I found it genuinely helpful and would recommend it to anyone who is working on personal growth or emotional well being ... show more
Reviewed in the United States on February 6, 2026 by Stephanie
    • Four Stars: Insightful and Impactful Reading
Format: Hardcover
This book provides clarity in human relationships pertaining to workplace, family, and social circles. Author Mel Robbins explains the human tendency of needing to belong and bond, having personal freedoms and space to make informed choices, and providing coping strength to not feel over burdened due to work or perceived social obligations or human stereotypes. "Let Them", "Let Me" is a series of strategies/skills that help one regain focus on finite time and energies to have more productive personal relationships and work outcomes. The book teaches one to de-prioritize things and channel emotions into actionable goals to set healthy boundaries in selection of friends, career paths, and effectively resolving conflicts. Some chapters are overly redundant (and precludes a fifth star rating); however, it's a worthwhile book that definitively helps me set more impactful goals in 2026 and beyond. ... show more
Reviewed in the United States on January 31, 2026 by James C. Mcclaran, Jr.
    • Eye opening and helpful
Format: Hardcover
This book really changed the way I think about people and situations. It’s easy to read and very helpful for personal growth and peace of mind. I highly recommend it.
Reviewed in the United States on February 17, 2026 by Krista
    • I can't stop saying let them
Format: Kindle
Mel Robbins has done it again. And to start this I will say I am a big Mel fan. I have read her other books and audibles, my favorite is Take Control of your life. So I'm a longterm fan I also listen to her podcat. With that in mind my expectations were high for Let Them especially because Mel said it's the best thing she's created and OPrah gave it really high praise. I had oredered the book but it didn't come yet so I got the kindle version here to start reading it, I can't wait for my phsical book too but I didn't want to wait because I wanted to read it, now that i'm done I'm going to get the audiobook too. Okay - so you are probably wondering, if I heard the podcast on it, do I still need this? The answer is YES. i just love the book. It covers so much. Way more thna I was expecting? The big reveal of let them AND let me makes this so deep and it covers so many different parts of your life you can use it. Yes you can get 'say let them" after a chapter but Mel takes the theory into so many siotuations and shares so much research and ways to use it, I kept learning so much. My favorite is the sections about family. I was with my family over the holidays and could not stop saying LET THEM. I told everyone to let them. I told evertyone about this book! They may be sick of me saying let them... to that I say let them. My favorite section of the book though is the part about INFLUENCE. So I say let them, now what? I don't like how they act that's it? NOPE Mel says you need to use your influence to make your relationships better. I love hjow in a world where people are so quick to cut people off, leave them behind, think you're better without [eople, let them is about bringing you TOGETHER with people. It's such a needed messave in our divided world. I am already using the ABCD loop with people I know. The other sections I liked the most: dating section (was sharing tips with my brother who is currently looking to meet someone) and who you use let them there, FRIENDSHIP section, Mel I really needed that, the comparison section is so important, and most of all I love the part about how to help loves ones who are struggling. the entire book offers such a compassionate, approch that feels so loving to both others and yourself. I thogut after following Mel for so long, I didn't know if I would learn anything new, but I learned SO MUCH. What didn't I like about it? Well honestly not much. I do wish there was more on parenting in the book, but what's cool is Mel has a bonus section in the book with a full extra chapter you can download about parenting, which I already read and that is really good, but I wish there was even more content there. but overall I just loved this book. It's given me so much to think about and work on in 2025. I also want my husband to read this, now that I read the ebook I'll give him my printbook when that arrives. Overall this was a great read and I am really glad I took the time to read it. ... show more
Reviewed in the United States on December 27, 2024 by Nike7
    • Life Changing
Format: Hardcover
I love this book. It helped me a lot. I gave it to my sister. Now I will have to order another one. I recommend everyone should read this book. It's an easy read and very informative. life changing.
Reviewed in the United States on January 29, 2026 by Karen
    • A great self help book
Format: Hardcover
This is an easy and fast read. I love how the author uses her own personal experiences to explain how the theory works. I would highly recommend this book to everyone!
Reviewed in the United States on February 3, 2026 by Angela

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