Isabel Thomas has written more than 150 books about science for young readers and has been shortlisted for the Royal Society Young People's Book Prize, the Association of Science Education Book of the Year, the English 4-11 Picture Book Awards and the Blue Peter Book Awards.

Aurélie Guillerey studied at the Ecole Supérieure des Arts Décoratifs in Strasbourg and now works as an illustrator in France. Her characters are often inspired by her children and she likes to work with bright, bold colours to create energetic illustration.