Polly Faber is the author of Building a Home, illustrated by Klas Fahlén, Through the North Pole Snow, illustrated by Richard Jones, Pony on the Twelfth Floor, illustrated by Sarah Jennings, and Mango & Bambang: The Not-a-Pig, illustrated by Clara Vulliamy. She is also a children's book blogger and volunteer reading helper. She lives with her husband, sons, and cats in London, where she has her own tiny free library right outside her house.

Harriet Hobday spent hours as a child drawing what was around her and filling sketchbooks with imagined characters and scenes. Little did she know that she would become an illustrator for a living. Now she spends her days making books and wreaking havoc in the kitchen. She lives in Yorkshire in the UK.