Martin Waddell is the award-winning author of many books for children, including Can't You Sleep, Little Bear? and the other Little Bear books, illustrated by Barbara Firth, Farmer Duck, illustrated by Helen Oxenbury, and Owl Babies, illustrated by Patrick Benson. He lives in Northern Ireland.

Jason Cockcroft won the first ever Blue Peter Award in England for his illustrations in John Bunyan's A Pilgrim's Progress, retold by Geraldine McCaughrean. He illustrated Daddy's Lullaby by Tony Bradman, which was selected as one of the Best Books for Babies by the Beginning with Books® Center for Early Literacy. He lives in North Yorkshire, England.