Anthony Horowitz, OBE is a prolific English novelist and screenwriter specialising in mystery and suspense. His work for children and teenagers includes The Diamond Brothers series, the Alex Rider series, and The Power of Five series. His work for adults includes the novel and play Mindgame and the Sherlock Holmes novel The House of Silk. He has also written extensively for television, contributing numerous scripts to ITV's Agatha Christie's Poirot and Midsomer Murders. He was the creator and principal writer of the ITV series Foyle's War, Collision and Injustice.