How Old Is a Whale?: Animal Life Spans from the Mayfly to the Immortal Jellyfish

Lily Murray grew up in the wilds of snowy nowhere, spending much of her time talking to animals and making up stories. She has continued to do this in her adult life, and now writes both fiction and nonfiction books for children. Her titles include Dinosaurium, Beneath the Waves, and Hidden Habitats: Water.

Jesse Hodgson studied illustration at the University of the West of England. She now lives and works in Bristol, England, where she has a studio space. She is the author and illustrator of several picture books.

Her illustrations for Pongo were Highly Commended for the Macmillan Prize for Illustration.