Mara Bergman is an award-winning author, poet and editor who has written over twenty books for young children.

Her picture book titles include Bears, Bears Everywhere, illustrated by Helen Craig, Snip Snap Alligator, illustrated by Nick Maland and winner of the Stockport Children's Book Award, Oliver Who Would Not Sleep and Oliver Who Travelled Far and Wide, which won a Booktrust Early Years Award.

Born in New York and raised on Long Island, USA, Mara now works in London and lives in Tunbridge Wells, Kent.

Mike Tucker is an author specialising in books for children and young adults, and has written several original ‘Doctor Who’ novels, a number of Merlin novelisations, and original fiction for other shared universes. He has also written numerous factual books relating to film and television, including a history of the BBC’s Visual Effects Department, where he used to work.

Alongside his writing, Mike works as a Visual Effects Designer, and his company - The Model Unit - recently won a BAFTA Craft Award for its miniature effects work on the 50th anniversary Doctor Who episode The Day of the Doctor.