Penny Joelson is a British author of young adult fiction. Her debut novel, I Have No Secrets, was published in 2018 and won the 2019 Waterstones Children's Book Prize. Her other books include The Girl Who Stole an Elephant, The Boy Who Sailed the Ocean in an Armchair, and The Girl Who Saved Christmas. She is known for her engaging, thoughtful storytelling and her ability to create characters that readers can relate to.