Joyce Milton has written several books for Penguin Young Readers, including Bats and Pocahontas: An American Princess. Milton currently lives in Brooklyn, New York. Bryn Barnard is an author and illustrator whose books include The Genius of Islam; Outbreak! Plagues that Changed History; and Dangerous Planet: Natural Disasters that Changed History. Find him online at brynbarnard.com and @brynbarnard.