Summary and Analysis of The One The Surprisingly Simple Truth Behind Extraordinary Results by Gary Keller and Jay Papasan Book Nerd offers an in depth summary of “The One Thing” and shows how you can focus on your “one thing” in each aspect of your life to achieve the results you want. Download and read this summary now for a thorough overview that complements the original book. Discover the key takeaways of this book. *Please This is an unofficial summary and analysis book of Keller’s and Papasan’s “The One Thing.” This companion is designed to further your understanding and analysis of the book. This is not the original book.