Lily Murray has worked as a writer and editor for more than fifteen years. The author of Dinosaurium, Beneath the Waves , and Five Little Chicks , she enjoys walking, bird-watching, reading books with her children, reading books without her children, and talking to her dog. She lives in the UK. Chris Wormell is a self-taught artist. He is the illustrator of Dinosaurium as well as the cover of Helen McDonald's H Is for Hawk and Philip Pullman's La Belle Sauvage: The Book of Dust, Volume One . He works using two main methods, wood engraving and linocut. He also writes and illustrates his own children's books. Chris Wormell lives in the UK.