Bridget Heos is the author of more than 100 books for kids, including the popular Mustache Baby books and the nonfiction Just Like Us! series. She lives in Kansas City, Missouri, with her husband and four children. authorbridgetheos.com Twitter @bridgetheos David Clark is the author of numerous books for young readers. He lives in Virginia with his family. You can learn more about him at sites.google.com/site/davidclark1988.