Martin Chatterton was born in Liverpool, England, and has been successfully writing and illustrating books for over thirty years. He has written dozens of books for children and illustrated many more, collaborating with a number of illustrious authors along the way, including multiple British Children's Laureates.

His work has been published in fourteen languages and has won or been shortlisted for numerous awards in Australia, the US and the UK. As Ed Chatterton, Martin writes crime fiction, screenplays and historical fiction and several of his books are in development with various TV and film producers. Martin is also well known as a children's performer and tours globally.

When he's not writing and illustrating, Martin is an in-demand public performer, touring schools and festivals around the world. In 2017 Martin gained his PhD and is currently working on two projects related to his doctorate. After a period spent living in the US, he now divides his time between Australia and the UK.

Tony Bradman has worked in children's books for over 30 years as a writer, a reviewer, and an editor of anthologies.

His books include the Dilly the Dinosaur picture-book series, which sold 2 million copies worldwide.Tony is lead author for Project X, OUP's reading scheme for boys up to Year 6.

He has been a judge for the Smarties Book Prize, Booktrust Teen Awards and is chair of the Siobhan Dowd Trust. Anglo-Saxon Boy is his second novel for Walker. He lives in Beckenham, Kent.