Steve Metzger is the bestselling author of over sixty children's books, including Detective Blue, Pluto Visits Earth!, The Turkey Train, When the Leaf Blew In, Five Little Sharks Swimming in the Sea, and the Dinofours series. Steve lives in New York with his family. Aaron Zenz has illustrated 13 books, some of which, like The HICCUPOTAMUS, he also authored. An avid lover of children's books, he has collected over 3,000 titles in his home library. He and his wife have collected 5 children as well. He lives in Western Michigan.