A. J. Jacobs is a renowned author, journalist, lecturer, and human guinea pig.

He has written four New York Times bestsellers that combine memoir, science, humor, and self-help. In addition to being an editor at large at Esquire magazine, he is a commentator on NPR and a columnist for Mental Floss magazine. A.

J. Jacobs is currently involved in an ambitious project to build a family tree of the entire world and organize the biggest family reunion ever in 2015. Starting with his first book, The Know-It-All: One Man's Humble Quest to Become the Smartest Person in the World, A.

J. Jacobs chronicled his journey of reading the entire Encyclopedia Britannica in 18 months. This memoir received rave reviews and spent two months on the New York Times bestseller list.

Continuing his quest for self-improvement, A. J. Jacobs embarked on The Year of Living Biblically: One Man's Humble Quest to Follow the Bible as Literally as Possible.

This book, which spent three months on the NYT bestseller list, explored his attempt to follow the numerous rules outlined in the Good Book, and it received critical acclaim. Jacobs completed his mind-spirit-body self-improvement trinity with Drop Dead Healthy: One Man's Humble Quest for Bodily Perfection. This book details his pursuit of optimal health through lifestyle changes, including diet, exercise, and more.

In addition to his books, A. J. Jacobs has contributed to prominent publications such as The New York Times, Entertainment Weekly, and New York magazine.

He has appeared on various television shows, including Oprah, The Today Show, and The Colbert Report. Jacobs is a sought-after speaker and has given TED talks on topics such as living biblically and creating a one-world family. A.

J. Jacobs continues to captivate readers with his storytelling ability, unique experiments, and thought-provoking insights