Saskia Gwinn is an author of children's books. She has worked in children's publishing for nearly 20 years, crafting best-selling, award-winning non-fiction books to inspire kids on almost everything from how time began to the silliest things in the world today. She lives in Hertfordshire with her two boys who hope dinosaurs will one day revisit Earth. Katie Cottle is a freelance illustrator and picture book maker living and working in Bristol, UK. Originally from Swansea, she moved to Bristol to study illustration at University of the West of England and hasn't left since graduating in 2017. She is the illustrator of several popular children's books, and the 2017 winner of the Batsford Prize for Children's Book Illustration. She has also received the 'Highly Commended' accolade at the Macmillan Prize for Illustration on numerous occasions.