Sibéal used to work for the Financial Times, where she researched for the How To Spend It section and wrote the For Goodness’ Sake column – interviewing everyone from Veronica Etro to Vivienne Westwood. Now she writes about fabulous mermaids, witches and feisty fairies in her much loved series for Bloomsbury. Other writing credits include Vogue.com and fashion trend forecasting company WGSN, and she volunteers at the Media Trust, teaching kids who want to get into journalism. Sibéal studied History at St Andrews, Publishing at City, Quentin Tarantino films at Yale and recently completed the Faber Academy’s Writing for Children course. Sibéal's first book WITCH WARS, was shortlisted for the Waterstones Children’s Book Prize 2016 and the Sainsbury's Children's Book Award and she is also a World Book Day author for 2019.