Amy Hest was born in New York City and raised on Long Island. She worked as a children's librarian and then in the children's book publishing industry for many years. Today, Amy is an author of more than thirty books for young readers. Two of her books, When Jessie Came Across the Sea, illustrated by P.J. Lynch, and Kiss Good Night, Sam, were awarded the Christopher Medal. Kiss Good Night, Sam was also a New York Times bestseller. Anita Jeram was born in Portsmouth in 1965 and worked in a variety of jobs after leaving school before becoming a children's book illustrator. She now lives in Northern Ireland with her husband, three kids and a menagerie of animals and hopes to set up her own wildlife sanctuary. She is best known for her illustrations for the book Guess How Much I Love You which is now one of the world's best-selling picture books.