Catherine Emmett grew up in Newcastle and spent her childhood reading books. When she grew up, she spent fourteen years making spreadsheets in London. After advising a group of young girls to find a career they loved, she decided to take her own advice, and packed up her husband and three sons, moving to rural Essex where she started writing picture books. She's the author of King of the Swamp and The Pet, which was shortlisted for Oscar's Book Prize in 2022. Joe Berger, the illustrator of Hubble Bubble, Granny Trouble and the Superhero series with Nosy Crow is a children's author, illustrator and cartoonist who also makes the occasional award-winning animated short film and title-sequence. He is co-creator of the Berger & Wyse cartoons, which featured weekly in the Guardian weekend magazine for 18 years and has illustrated numerous books, inside and out, for children and grown-ups. Joe lives in Bristol with his wife, three daughters, two cats and a small dog.