Nicola Davies is a zoologist and writer. She graduated from Cambridge with a degree in zoology before going on to work in television and is now the author of non-fiction books Poo, Big Blue Whale, Surprising Sharks and Ice Bear, as well as the novel Home. Nicola lives in Abergavenny, Monmouthshire, Wales. www.nicola-davies.com Neal Layton is the illustrator of Poo and Extreme Animals. He completed a BA in Graphic Design at Newcastle and then decided to become an illustrator and studied for an MA in Illustration at Central St Martin's. Neal lives in Portsmouth, Hampshire. www.neallayton.com