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.

Eugenia Nobati is based in Buenos Aires, Argentina, where she still lives with her family, two cats, and a dog. Her work has been published in nine countries and more than forty books.

She was selected among 16 illustrators, representing Argentina in Bratislava's Bienal 2012. In 2014, she was recognized by ALIJA, Argentina's section of IBBY, for the best illustrated book.