Sarah Courtauld lives in London and writes and illustrates children's books. Her favourite writers for children are Tove Jansson, Andy Stanton, Roald Dahl, John Masefield, Cressida Cowell and Lemony Snicket, although her all time favourite children's book is The Princess Bride.
Sabrina Crewe is an editor of children's educational books. She has also written more than sixty books for children, including the six-book series Under the Microscope, published in 2010. She lives in Montana, USA where she is the associate editor of the Montana Quarterly.