Matilda Tristram is an animator and illustrator. She teaches at Kingston University in London, and leads workshops on “drawing as therapy” at the School of Life. Matilda has co-written childrens' television shows including the Bafta-winning animation Dipdap, and is the author of autobiographical diary comic Probably Nothing: A Diary of Not-Your-Average Nine Months (Penguin, 2014). She studied at the Royal College of Art, graduating in 2008, and now lives with her family in London. Matilda really likes drawing telegraph poles.

Author and illustrator Nick Sharratt has created illustrations for over two hundred and fifty books. As well as producing around sixty of his own titles he's worked with numerous writers including Julia Donaldson, Michael Rosen, Giles Andreae and Kes Gray, his most famous collaboration being with Jacqueline Wilson, for whom he's illustrated more than fifty novels.

His books include Ketchup on Your Cornflakes? the Shark in the Park series and the million-selling You Choose. He has won many national and regional book prizes, he has been the official illustrator for World Book Day, and he has also been honoured with a gold Blue Peter badge!