Isabel Thomas is a science writer and children's author who has been shortlisted for the Royal Society Young People's Book Prize, the ASE Science Book of the Year, and the Blue Peter Book Awards. Isabel also writes for children's science magazines Whizz Pop Bang and The Week Junior Science + Nature, and for outreach projects. She is a primary school governor and parent of three young sons.

Marianna Madriz is a London-based freelance illustrator. Her clients include Creative Review, House of Illustration, The Eighty-Eight Journal and Revista Territorio. She lives in London.