Although renowned for his work in film & TV, Curtis’s true love has always been horror and fantasy for older audiences. His acclaimed series of epic fantasy novels, ‘Wereworld' was published by Penguin worldwide, while his darkly comic young adult thrillers, 'Haunt: Dead Scared' and ‘Haunt: Dead Wrong’ were published by Simon & Schuster in the UK. His middle-grade novels, 'Max Helsing & The Thirteenth Curse' and 'Max Helsing: The Beast of Bone Creek' are published by Viking in the US and Orchard in the UK.