Knock Knock Superhero

Caryl Hart is an award-winning children's author who writes picture books and young fiction. She runs creative literacy workshops for schools, libraries, communities and festivals. The Girl who Planted Trees won Teach Early Years' Best Picture Book Award, 2022 and was chosen as one of the best books of 2022 by the U.K Children's Laureate, Joseph Coelho. Meet the Oceans was one of Waterstones' Best Books for Babies and Toddlers and Books for Topics' Best EYFS Curriculum Support in 2021, and Girls Can Do Anything was shortlisted for the Independent Bookshop Week Book Award in 2019. Her best-selling Princess series has sold over a quarter of a million copies, and her books are published in numerous languages all over the world. Caryl lives in Sheffield with her family and loves walking in the hills, cycling and wild swimming.

Nick East is the illustrator of the bestselling TOTO THE NINJA CAT series, written by Dermot O'Leary. He is also the illustrator of Michelle Robinson's popular GOODNIGHT... series. He worked for many years as a museum designer but has always been a storyteller whether, as a child, filling sketchbooks with quirky characters or, as a designer, displaying a collection of ancient artefacts. Nick is based in York.