Nicholas Allan was born and brought up in Brighton, attending Brighton College from 1970 to 1975. He studied at the Slade School of Art and completed an MA in Creative Writing at the University of East Anglia. He published his first book The Hefty Fairy in 1989, and has since published numerous books for children, including The Magic Lavatory, The Evil Teddy, The Queen's Knickers, Where Willy Went and Father Christmas Needs a Wee. Hilltop Hospital has been adapted into an award-winning television series. His other books include The Complete Guide to Gatecrashing and a teenage novel The First Time.
- "Paul Geraghty & Nicholas Allan: Illustrators in Stereo". Children’s Discovery Centre. Retrieved 27 October 2010.
- "Nicholas Allan". LoveReading4Kids.co.uk. Retrieved 27 October 2010.
- "NYRP Storytellers list - All regions" (PDF). National Literacy Trust. p. 9. Retrieved 27 October 2010.
- "Hilltop Hospital (TV Series 1999) - IMDb". Internet Movie Database. Retrieved 27 October 2010.
- "Past Winners and Nominees - Children's - Awards 2003". BAFTA. Retrieved 27 October 2010.