The 12 Levers: The Complete Psychological Toolkit For Improving Your Life
Spencer Greenberg · Jeremy Stevenson
Jul 2026 · Sold by Balance
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3 reviews
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272
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About this ebook
The last self-help book you'll ever need—learn how to accelerate personal growth and mental well-being with the collective wisdom of self-help: the 12 Levers.
"A powerful toolkit that you can use for whatever challenges life has thrown at you." —Annie Duke, bestselling author of Thinking in Bets and Quit
After years of research—analyzing 106 self-help books and 23 therapies—psychology experts Spencer Greenberg and Jeremy Stevenson discovered that, from a bird’s-eye view, all self-help techniques collapse into just 12 broad strategies. Knowing these 12 Levers can prepare you for so many of the challenges that life will throw at you. You’ll learn how to...
- Clarify your intrinsic values to give your life direction
- Overcome fear by using the most scientifically validated anxiety approach in the world
- Alleviate insomnia and out-of-sync sleep routines with techniques largely known only to sleep therapists
- Enrich your downtime by doing more glad-you-did-it activities
- Get more done by understanding the three factors of The Productivity Equation
- Interrupt spirals of self-consciousness using the Attention Training Technique
...and much more.
Together, the 12 Levers form the complete psychological toolkit for improving your life.
The last self-help book you'll ever need—learn how to accelerate personal growth and mental well-being with the collective wisdom of self-help: the 12 Levers.
"A powerful toolkit that you can use for whatever challenges life has thrown at you." —Annie Duke, bestselling author of Thinking in Bets ...
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Ratings and reviews
3 reviews
Andrea Romance
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August 2, 2026
Based on extensive research, this book distills self-help into 12 core strategies, or "Levers," providing a comprehensive approach to life improvement. This easy-to-read book provides a clear map for developing productive habits while overcoming destructive thoughts and behaviors. Sometimes it seemed a bit facile to me, ignoring the role of trauma. Still, this is a good guide for resetting daily routines in order to live a happier, healthier life. Thanks, NetGalley, for the ARC I received.
About the author
Spencer Greenberg is an entrepreneur and mathematician with a PhD in applied math from NYU. He’s the founder and CEO of ClearerThinking.org, a psychology education and research organization that designs and conducts novel studies in psychology and offers more than 80 interactive educational tools to the general public, used by hundreds of thousands of people. His work has been featured by numerous major media outlets, such as Forbes, The New York Times, Wall Street Journal, The Independent, Lifehacker, Gizmodo, Fast Company, and Financial Times.
Jeremy Stevenson is a clinical psychologist with a PhD from Flinders University, where his dissertation explored the effects of self-compassion on social anxiety. He has treated hundreds of clients across thousands of clinical hours and has published research in various academic journals. He has also experimented with many self-help techniques himself, and some of them have changed his life.
Jeremy Stevenson is a clinical psychologist with a PhD from Flinders University, where his dissertation explored the effects of self-compassion on social anxiety. He has treated hundreds of clients across thousands of clinical hours and has published research in various academic journals. He has also experimented with many self-help techniques himself, and some of them have changed his life.
Spencer Greenberg is an entrepreneur and mathematician with a PhD in applied math from NYU. He’s the founder and CEO of ClearerThinking.org, a psychology education and research organization that designs and conducts novel studies in psychology and offers more than 80 interactive educational tools...
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