Kaye Umanski

Kaye Umansky is best known as the creator of Pongwiffy, ‘the witch of dirty habits’. She taught at London primary schools for 12 years, specialising in music and drama. She now lives in north London and writes full-time. Her website is kayeumansky.com

Chris Jevons is an illustrator and animator based in York. He has worked on high-profile projects for clients including E4, CBBC and Yorkshire Wildlife Trust. His website is jevsillustration.com and you can follow him on Twitter @jevillustration