Nicola Davies is a zoologist and writer who graduated from Cambridge with a degree in zoology before going on to work in television. She is the author of non-fiction books Poo, Big Blue Whale, Surprising Sharks and Ice Bear, as well as the novel Home, and Gaia Warriors - a book about climate change written in collaboration with scientist James Lovelock. Her latest books for Walker include A First Book of Nature, the Silver Street Farm fiction series, about three children who set up a city farm, and the Uncover and Discover books. Nicola lives in Abergavenny, Monmouthshire, Wales. www.nicola-davies.com This series is Mark Boutavant's first project for a UK publisher. He is extremely popular in Europe and has illustrated books for Albin Michel, Actes Sud Junior, Nathan, Seuil Jeunesse and Mila. In 2002, he created his own animal series called "Mouk" at Editions Milan, published in the UK by Random House. He has also worked for the Guardian and the New York Times. Marc lives in Paris.