Andy Cutbill is the author of The Cow That Laid an Egg, illustrated by Russell Ayto. Andy also created and developed Albie, the award-winning British animated television show for children. Prior to his successful show, he spent several years writing television commercials. He still spends his time writing for grown-up companies but occasionally escapes to write children's books. He lives in Devon, England, with his wife, son, daughter, and dog.

Russell Ayto is the illustrator of The Cow That Laid an Egg by Andy Cutbill. He is also the illustrator of such children's picture books as Quacky Quack-Quack! and Whiff, both by Ian Whybrow, and The Witch's Children and The Witch's Children and the Queen, both by Ursula Jones. He lives in Cornwall, England, with his wife and three children.