Clockwise from left to right: cover art for The Leftovers by Tom Perrotta, Battles, cover art for To End All Wars by Adam Hochschild. St. Martin's Press, courtesy of the artist, Houghton Mifflin hide caption

itoggle caption St. Martin's Press, courtesy of the artist, Houghton Mifflin

Clockwise from left to right: Brad Ausmus, Sly Stone, shining flower beetles. David Zalubowski/AP Photo, Ace Records, Alex Wild Photography hide caption

itoggle caption David Zalubowski/AP Photo, Ace Records, Alex Wild Photography

Clockwise from left to right: Hugh Herr, Octavia Spencer and Viola Davis, an illustration of Columbus' voyage. Len Rubenstein/Crown Business, Dale Robinette/Dreamworks Pictures, iStockphoto.com hide caption

itoggle caption Len Rubenstein/Crown Business, Dale Robinette/Dreamworks Pictures, iStockphoto.com