CLIVE GIFFORD is the author of more than 150 children's books including Eye Benders, winner of the Royal Society Young People's Book Prize, Royal Society-nominated Out of This World and Cool Technology which won the School Library Association Information Book Award. He has travelled through 70 countries, run a computer games company and taken part in all manner of sports from parachuting and gliding to Ultimate Frisbee.

SAM KALDA is an illustrator and artist based in Saint Paul. His commissioned works include editorial, book, advertising and pattern illustration. In 2017, he received a gold medal in book illustration from the Society of Illustrators in New York.