Nicola Davies is a zoologist and has produced and presented radio and TV programmes, including The Really Wild Show. Her books for children include Poo, Extreme Animals, Bat Loves the Night, Gaia Warriors and Ice Bear. Nicola lives in south Wales. www.nicola-davies.com Brita Granström, a Swedish artist, won the Smarties Book Prize Silver Award for The World's Full of Babies. She is a two-time winner of the English Association Award and her books with Judy Hindley, Eyes Nose Fingers Toes! and Does a Cow Say Boo? have won the Oppenheim Toy Portfolio Gold and Platinum Awards and sold over 250,000 copies worldwide. Brita lives in Berwick-upon-Tweed, Northumberland. www.britaandmick.com