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.

Mike Byrne grew up on the Wirral near Liverpool before moving to Wales to study Illustration at Glyndwr University. He began his career as a designer for a greetings card company and then became a studio manager for a licensed stationery designer before leaving to fulfil his dream of illustrating children's books.

Mike now lives in Surrey with his wife, cat and two sons where he spends his days doodling and illustrating children's books fuelled only by tea and biscuits. Mike illustrated the Jack's Mega Machines series for Simon & Schuster. The Return of Sproutzilla is his fourth title with Macmillan