Tracey Turner has written more than seventy books, most of them for children, on subjects including inventions, the universe, famous writers, rude words and deadly perils. Many have sold foreign rights all over the world, and some have become best sellers. She is also an editor, and commissioned and edited the Horrible Histories series for many years. She is the author of Up and Down and Day and Night.

Jane Burnard has worked as a children's books editor for many years, and more recently as a writer, translator, and gardener. She is the author of An Arctic Story and A Coral Reef Story.

Dawn Cooper is an illustrator whose work includes non-fiction books for children, book covers, maps and packaging, all heavily inspired by the natural world and its many creatures, as well as traditional botanical drawings and works of fiction.