David Getz is the award-winning author of the middle-grade novels "Thin Air" and "Almost Famous," and the nonfiction books "Frozen Man" and "Frozen Girl." When not writing, Mr. Getz works as an elementary-school principal in New York City. Peter McCarty is the Caldecott Honor-winning author and illustrator of "Hondo and Fabian." He also teamed up with David Getz on "Frozen Man," "Frozen Girl," and "Purple Death." Mr. McCarty lives with his wife and two children in Upstate New York.