Rob Lloyd Jones never wanted to be a writer when he grew up he wanted to be Indiana Jones. So he studied Egyptology and archaeology, and went on expeditions to strange places.

But all he found were interesting stories, so he decided to write them down.

Jake Atlas and the Tomb of the Emerald Snake is his third novel for Walker, although he's written about thirty other books for children, including historical non-fiction and adaptations of such classics as Jekyll and Hyde.

Rob lives in East Sussex with his wife and two young sons.

Jenny Wren is a freelance Illustrator who lives and works in Lichfield, Staffordshire. She mainly undertakes children's book projects, and has worked for Igloo, Parragon and Caterpillar Books, but from time to time also illustrates greeting cards and stationary.

She has illustrated First Explorers titles for Campbell, including Snowy Animals, Wild Animals and In the Jungle.