CRISPIN BOYER lives in Xcalak, a small fishing village in Mexico, where he writes about history, wildlife, and technology. He and his wife live with their flock of hens, a turkey, two roosters, and a guard goose. His 2013 cover story for National Geographic Kids magazine, Return of the Missing Lynx, won an Eddie Award for Best Single Article, Youth/Teen. The American Library Association chose his book This or That? as one of 2015's top picks for reluctant young-adult readers. From the Hardcover edition.