Julia Donaldson has written some of the world's best-loved children's books, including modern classics The Gruffalo and The Gruffalo's Child, which together have sold over 17 million copies worldwide, and the hugely successful What the Ladybird Heard adventures. Julia also writes fiction, including the Princess Mirror-Belle books illustrated by Lydia Monks, as well as poems, plays and songs – and her brilliant live shows are always in demand. She was the UK Children’s Laureate 2011-13 and has been honoured with a CBE for Services to Literature. Julia and her husband Malcolm divide their time between West Sussex and Edinburgh.

Yuval Zommer graduated from the Royal College of Art with an MA in Illustration. He is an award-winning author and illustrator whose work has been translated into twenty-five languages. His bestselling ‘Big Book Of…’ series teaches children about our planet and the creatures on it. Zommer is an environmentalist.