ARNOLD LOBEL is the author of 28 much-loved books for children, including the acclaimed Frog and Toad series. He won the 1981 Caldecott medal for his book Fables, having previously won a Caldecott Honor in 1971 for Frog and Toad are Friends and a Newbery Honor in 1973 for Frog and Toad Together. He illustrated over 70 books throughout his career. He died in 1987.

Julia Donaldson is the internationally renowned author of the best-loved picture books in the world, including The Gruffalo, What the Ladybird Heard, Sugarlump and the Unicorn and Night Monkey, Day Monkey. Julia Donaldson's collaborations with Axel Scheffler have sold millions of copies, and Room on the Broom is now an Academy Award-nominated short film.