Sue Graves has been a freelance children's author for more than 17 years. She has written over two hundred books for children from pre-school up to 15+ years. She writes fiction and non fiction, plays and poetry across the age ranges.

Sue loves reading all sorts of books and is at her happiest when she has a book in her hand. She also loves painting in watercolours, playing tennis and badminton and going for long walks in the country with her husband and children.

Mike Byrne grew up on the Wirral near Liverpool before moving to Wales to study Illustration at Glyndwr University. He began his career as a designer for a greetings card company and then became a studio manager for a licensed stationery designer before leaving to fulfil his dream of illustrating children's books.

Mike now lives in Surrey with his wife, cat and two sons where he spends his days doodling and illustrating children's books fuelled only by tea and biscuits. Mike illustrated the Jack's Mega Machines series for Simon & Schuster. The Return of Sproutzilla is his fourth title with Macmillan