Swapna Haddow trained as a doctor, but after discovering she didn't like blood, decided on a career change and wrote her first book Dave Pigeon: How to Deal With Bad Cats and Keep (most of) Your Feathers.

Swapna now lives in New Zealand with her husband, their son and their dog. You can usually find Swapna writing, reading or eating Jaffa Cakes. Sometimes you might find her doing all three at the same time.

Sheena Dempsey is a children 's illustrator and author from Ireland. She has illustrated for various writers and publishers including the multi-award-winning Dave Pigeon books written by Swapna Haddow (published by Faber) and CBI nominated Billy Button, Telegram Boy written by Sally Nicholls and published by Barrington Stoke.

She also illustrated Yoga Babies, by Fearne Cotton, which was published in September 2017 by Andersen Press. Sheena lives in London with her very spotty greyhound, Sandy, and her not-very-spotty partner, Mick.