There's one thing - one very important thing - that Molly and Dad both know about polar bears that live on the Arctic ice, crocodiles with their whip crack tails, dinosaurs whose jaws could swallow a school. Young children should love joining in their bedtime game to see if they can guess what the one thing is.
Tom Pow is one of Scotland's best-known poets. The winner of two Scottish Arts Council Book Awards for his poetry, he is also the author of three radio plays and a travel book about Peru. Ian Andrew is an illustrator and animator. He has worked on numerous animated films, including Father Christmas and his own film, Dolphins, which won the First Bite Award in 1987. For Walker he has illustrated The Midnight Man by Berlie Doherty.