Sibéal Pounder is a #1 New York Times bestselling author of the much-loved and highly successful children’s fiction series Witch Wars, Bad Mermaids and Neon’s Secret UNIverse, and the Christmas hit Tinsel. She has also written Beyond Platform 13, the sequel to The Secret of Platform 13 by Eva Ibbotson, and the novelisation of the film Wonka. Her World Book Day book Bad Mermaids Meet the Witches was a Sunday Times bestseller, and Witch Wars was shortlisted for the Waterstones Children’s Book Prize and the Sainsbury’s Children’s Book Award.