DEEP: Freediving, Renegade Science, and What The Ocean Tells Us about Ourselves (Houghton Mifflin Harcourt) was released in the United States and UK in June 2014. DEEP was a BBC Book of the Week, a Finalist for the PEN American Center Best Sports Book of the Year, an Amazon Best Science Book of 2014, BuzzFeed 19 Best Nonfiction Books of 2014, ArtForum Top 10 Book of 2014, New York Times Book Review Editor’s Choice, Scientific American Recommended Read, Christian Science Monitor Editor’s Pick, and more.
The book follows clans of extreme athletes, adventurers, and scientists as they plumb the limits of the ocean's depths and uncover weird and wondrous new discoveries that, in many cases, redefine our understanding of the ocean and ourselves. DEEP has been translated into German, Chinese, Italian, Polish, Portuguese, and more. The audiobook, read by Nestor, was released by Audible in June 2016.