Jonathan is the author of the bestselling Bartimaeus sequence, as well as standalone novels HEROES OF THE VALLEY, BURIED FIRE, THE LEAP and THE LAST SIEGE. Jonathan worked as a children's book editor before becoming a full-time writer. He lives in St Albans with his wife and young children.
A gripping novel of real originality . . . The careful setting-up, subtle delineation of character, meticulous observation of the castle itself - in some ways the story's main character - and the gradual increase in the pace and tension of this riveting narrative mark this as a novel of real skill and technique * Carousel * Packed with suspense and palpable tension . . . This compelling thriller is impossible to put down * The Bookseller * A brilliant book, evocatively written and full of sinister suspense * BBC Parenting *