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

Discover the essential thinking tools you’ve been missing with The Great Mental Models series by Shane Parrish, New York Times bestselling author and the mind

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The tenth-anniversary edition of the book that changed lives in profound ways, now with a new foreword and afterword. In 2006, a groundbreaking feature-length f