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.

Chris Powling was editor of the children's book magazine Books for Keeps from 1989-1996 when it won the Eleanor Farjeon Award for services to children's literature, has served on numerous prize panels and is consultant to a national children's book club.

He has written more than sixty books for children including The Mustang Machine, The Phantom Carwash, The Conker As Hard As A Diamond and The Multi-Million Pound Mascot.

Deborah Chancellor is a writer of fiction and non-fiction books for children. She has written nearly 100 books and worked with many leading publishers. Deborah is a prolific writer of children's non-fiction on a wide range of subjects. She is a versatile author who has written biographies for teenagers, adapted Bible stories for pre-school children and written teenage fiction for older children with reading difficulties. Her books have been translated into many languages and sold all over the world. An Associate Fellow of the Royal Literary Fund, Deborah appears at Literary Festivals and runs writing workshops for young people.

Joanna Nadin is a winner of the Fantastic Book Award, the Surrey Book Award, Blue Peter 'Book of the Month' and Radio 4 Open Book 'Book of the Year'.

She has been shortlisted for the Booktrust Best Book Award and Queen of Teen, and Spies, Dad, Big Lauren and Me was selected for the Richard and Judy Book Club.

In 2011, Penny Dreadful is a Magnet for Disaster was shortlisted for the Roald Dahl Funny Prize. Joe All Alone was nominated for the 2016 CILIP Carnegie Medal.

She writes the Flying Fergus series with Sir Chris Hoy. Joanna previously worked as a policy writer for the Labour Party and a special adviser to the Prime Minister.

She continues to freelance as a speechwriter and editor, and lectures in Creative Writing at Bath Spa University.