Having escaped from Hong Kong, the Five Gatekeepers - Matt, Pedro, Scott, Jamie and Scarlett - are scattered in a hostile and dangerous world. As they struggle to re-group and plan their next move, the malevolent King of the Old Ones gathers his forces in Oblivion: a desolate landscape where the last survivors of humanity must fight the ultimate battle.
Anthony Horowitz (born 1956) is a British author and screenwriter. He has written many children's novels, including the Power of Five, Alex Rider and Diamond Brothers series and has written over fifty books. He has also written extensively for television, adapting many of Agatha Christie's Hercule Poirot novels for ITV series. He is the creator and writer of the ITV series Foyle's War.