Daniel Kirk has written and illustrated numerous books, including "Hush, Little Alien; Bigger; Humpty Dumpty; Jack and Jill; Moondogs"; and "Snow Family". In addition he has illustrated two poetry collections; "Go!" and "Dogs Rule!"; and several titles by other authors, namely "Chugga Chugga Choo Choo" and "My Truck Is Stuck" by Kevin Lewis, and "Hello, Hello!" by Miriam Schlein. Kirk lives in New Jersey with his wife, author-illustrator Julia Gordon, and three teenage children.