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.

As 50% of the Two Steves, Steve Barlow has written over 160 books with Steve Skidmore since their first published work appeared in 1988. Born in Crewe, he was educated at Crewe Grammar School, Warwick University and Nottingham University before a varied career in teaching, acting, stage management and puppetry.

He worked in a village school in Botswana for four years before returning to the UK and working with Steve Skidmore. The Two Steves tour extensively in the UK and overseas, and are frequent visitors to book festivals including Edinburgh and Hay.

Their work for Hachette includes the highly popular I Hero and Crime Team choose-your-adventure books, and their I Horror series is raising the short hairs at the back of readers' necks with Orchard Books.

Steve Skidmore writes with Steve Barlow. Together they are Britain's most popular comedy writing and performing double act for young people. Not surprisingly, they are known as The 2 Steves!

The 2 Steves met over twenty years ago when they were both teaching in Nottingham. Since then they have written over 160 books together. They have also acted as series editors on numerous reading programmes for several major publishing houses.

The 2 Steves are in great demand for author visits to schools, colleges and libraries across the world. They also undertake INSET events and make regular appearances at Literary Festivals.

Steve Skidmore is shorter than Steve Barlow and less hairy. He was born in Birstall near Leicester in England. After managing to pass some exams at school, he went on to Nottingham University to supposedly read English, but spent most of his time playing sport and doing a variety of summer jobs including counting pastry pie lids (yes, really).

He trained as a teacher of Drama, English and Film studies, before teaming up with Steve Barlow to become a full time author.

He lives in Leicester and is a great rugby fan (he supports Leicester Tigers - "Come on you Tiiiiigeeeers!").

Paul's books cover a wide range of subjects, from whether the Romans ate crisps to how to build the world's best skatepark, but he writes mostly about sport.

Whether you are interested in swimming or cycling, snowboarding, surfing or another sport, Paul has probably written something that will inspire you to get out and give it a try.

Paul writes in a shack by the beach, which he shares with his one-eyed surf dog, Daisy.

Nick Hunter has written more than 50 books for young people.

He has a degree in modern history and specializes in writing about history and social studies.

Before becoming an author, Nick worked in children's publishing for many years. He lives in Oxford, UK with his wife and two sons.