Harriet Muncaster is one of the fastest-rising stars in children's books. She started out writing and illustrating picture books, and won the Blue Hen Book Award for her first book, I Am a Witch's Cat, and was highly commended for the Macmillan Prize while studying for her second illustration degree. Her move into young illustrated fiction came with the launch of Isadora Moon in 2016 and the series has become a huge bestseller in the UK and internationally. Harriet is very active at events, festivals, and on social media, constantly creating and sharing new content and activities to delight Isadora's growing host of fans.