Michaela Morgan is a long-established children's author with a string of bestselling titles to her name, including the Rockets quartet, Silly Sausage.

She has been shortlisted for the Children's Book of the Year, been an International Reading Association Children's Choice and won a United Kingdom Reading Association award.

Narinder Dhami was born in Wolverhampton of an Indian father and English mother. She taught in primary schools for nine years but now writes full-time. Her other books include the novelisation of the film Bend It Like Beckham and the recently published Bindi Babes.

Dr Anthony Masters is a Chartered Statistician, a Statistical Ambassador for the Royal Statistical Society, and a frequent blogger and explainer of statistical ideas.