Ali Sparkes is the Blue Peter Award winning author of Frozen In Time, the acclaimed Shapeshifter series, UK National Children's Book Awards finalist Car-Jacked, Carnegie-nominated Wishful Thinking and more than 50 other titles.
A former BBC broadcast journalist and newspaper reporter, Ali has also written comedy for BBC Radio 4 and edited a successful BBC magazine.
Her books have been translated into dozens of languages and are well-loved in libraries and homes around the world.