Editor-at-large for Esquire magazine, A.J. Jacobs is the author of 2007’s The Year of Living Biblically: One Man’s Humble Quest to Follow the Bible as Literally as Possible and the forthcoming The Guinea Pig Diaries: My Life as an Experiment, published by Simon & Schuster in September 2009.

In his quest to try to be the healthiest man alive, author A. J. Jacobs tries out the caveman workout with its founder in Central Park. An excerpt from his new book, Drop Dead Healthy.

Well, Ariel Leve isn’t as she sits down to speak with A.J. Jacobs about pet peeves, interviewing celebrities, and how to lead a green life (hint: no kids). Ariel Leve’s new book is It Could Be Worse, You Could Be Me.