Gregory E. Lang is the New York Times bestselling author of more than 20 books, including Why a Daughter Needs a Dad, Why a Daughter Needs a Mom, Why a Son Needs a Dad, Why a Son Needs a Mom, and Why I Love You. He lives in Georgia. Susanna Leonard Hill is the New York Times bestselling author of Moon's First Friends, as well as many other award-winning books for children. She does frequent school and library visits, teaches picture book writing, and offers picture book critiques. She lives in New York's Mid-Hudson Valley with her children and two rescue dogs. SYDNEY HANSON was raised in Minnesota alongside numerous pets and brothers. When she wasn't tunneling through snowdrifts or rescuing frogs from rain gutters, she was drawing.

Her illustrations and paintings still reflect these early adventures and are marked by a love for animals and the natural world. In addition to her traditional illustrations Sydney is an experienced 2D and 3D production artist. In 2011 she moved to Los Angeles where she's worked for several animation shops including Nickelodeon and Disney Interactive. In her spare time she enjoys traveling and spending time outside with her adopted brother, a Labrador retriever named Cash.