Kate Agnew is a children's bookseller and literacy consultant. She is also a published author and an editor of children's and young adult books ('Life and Death: A Collection of Classic Poetry and Prose' and 'A Family Like Mine'). She manages a children's bookshop, and writes articles and reviews of children's books for the Guardian, The Times Educational Supplement, and the Bookseller among others. She was one of the biggest contributors to the Cambridge Guide to Children's Literature, and has been a judge for book prizes including the Smarties Prize.

Frances Castle has been working as a freelance illustrator since 2005, after beginning her career in the computer games industry. She is inspired by comic book art and vintage children's books from the 50's and 60's, and loves good charity shop finds of old magazines, books and packaging. She has illustrated 'The Bare Bum Gang and the Football Face-Off' and Candlewick's 'Pop-Up' series.

Series consultant Nikki Gamble is the director of Just Imagine, a specialist resource and training centre for Primary English. She is Associate Consultant at the University of London, Institute of Education.