Craig M. Hatkoff is an American philanthropist and author from New York City. He is a co-founder of the Tribeca Film Institute and the Tribeca Film Festival. He is also the author of several bestselling children's books, written with his young daughters, including the #1 New York Times bestselling book Owen & Mzee: The True Story of a Remarkable Friendship, and Good-bye Tonsils!

Marilyn Mets has been working as an illustrator, art director, and graphic designer for more than 25 years. She has illustrated and collaborated on numerous children's books, and her work has garnered many awards and nominations, including a nomination for the Amelia Frances Howard-Gibbons Illustrator's Award in 1998 for her work on Cameron and Me.

Juliana Hatkoff is the daughter of philanthropist and author Craig Hatkoff and has written many children's books with him, including Winter's Tail, Leo the Snow Leopard, and Good-bye Tonsils!