Clive Gifford writes non-fiction books for both children and adults. He has written more than 200 books—which have been translated into more than 25 languages—and published over 800 features and stories, on topics from science and history to language and sport. His books have won numerous awards, including the Royal Society Young People's Book Prize, a Times Educational Supplement Information Book of the Year award, the School Library Association's Information Book Award, and the Blue Peter Book Awards' Best Book With Facts.

Vanja Kragulj is a Canadian illustrator, surface designer, and art educator, who's known for her colorful and whimsical style. Her portfolio includes everything from children's books and toys to public art and commercial illustration. When she's not illustrating, Vanja teaches illustration workshops to children and adults at her studio. Her workshops are often inspired by children's books, illustration, and graphic design.