Anthony Craig Horowitz (born 5 April 1956) is an English novel writer and screenwriter. He has written many children's novels, including "The Power of Five", "Alex Rider" and "The Diamond Brothers" series. He has written over fifty books. He has also written many things for television. He has adapted many of Agatha Christie's Hercule Poirot novels for the ITV series. He is the creator and writer of the ITV series "Foyle's War", "Midsomer Murders" and "Collision".