Nicholas Allan's books have been published in over 20 countries worldwide and have won multiple awards - The Queen's Knickers won The Sheffield Children’s Book Award and The Coventry Inspirational Book Award. In 2020 Nicholas set up and funded The Queen’s Knickers Award, celebrating outstanding illustrated books for children. Nicholas is the author of Hilltop Hospital, which was adapted into a BAFTA-winning television series for CITV that has been shown in over 40 countries. His books have been adapted into West End musicals, including The Queen's Knickers, The Giant's Loo Roll, and Father Christmas Needs A Wee, the latter touring annually. Nicholas lives and works in London.