Jo Simmons began her working life as a journalist. Her first fiction series for children, Pip Street, was inspired by her own kids ' love of funny fiction, and two Super Loud Sambooks followed.

In addition to children 's fiction, she co-wrote a humorous parenting book, Can I Give Them Back Now'- The Aargh To Zzzzzz Of Parenting, published by Square Peg. Jo lives in Brighton with her husband, two boys and a scruffy formerly Romanian street dog. I Swapped My Brother on the Internet is her first book for Bloomsbury.

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.