Paul's books cover a wide range of subjects, from whether the Romans ate crisps to how to build the world's best skatepark, but he writes mostly about sport.

Whether you are interested in swimming or cycling, snowboarding, surfing or another sport, Paul has probably written something that will inspire you to get out and give it a try.

Paul writes in a shack by the beach, which he shares with his one-eyed surf dog, Daisy.

Tony De Saulles is the illustrator of the bestselling multi award-winning Horrible Science series, which won The Blue Peter Prize for Best Book With Facts. In between the Horrible Science titles Tony also writes his own books, holds cartoon illustration workshops and appears at book festivals.