Catherine Cawthorne writes books which blend fact and fiction together. Her first love has always been books, and some of her earliest memories are reading fairy tales with her dad. She spent most of her childhood either up a tree, reading, or forming secret societies in her best friend's shed. Catherine is also a keen scientist - she has an MSc in Human Communication Science and worked for many years as a Speech and Language Therapist before starting her career as an author. <br><br> Sara Ogilvie is an award-winning illustrator and printmaker, who has illustrated many bestselling and much-loved children's books, including The Detective Dog and The Hospital Dog by Julia Donaldson, and Dogs Don't Do Ballet by Anna Kemp. Born and bred in Edinburgh, she now lives with her family in Newcastle upon Tyne.