A gripping thriller full of twists you won't see coming... The next serial killer read from the author of Missing and Hunted . Perfect for the fans of Angela Marsons and Jeffrey Deaver. It's been two years since mass murderer, Giacomo Riondino , disappeared after killing Greta Alfieri... Dr Claps , devastated and guilt-ridden by Greta's death has been on a man-hunt for Riondino ever since. Meanwhile, an American girl disappears on the 382nd step of the Cerro trail in Guayaquil, Ecuador. No one saw her disappear. Who took her? And how? When the US authorities contact Claps , he is certain that it must be Riordino . But, unlike Riondino 's other victims, the girl has disappeared into thin air... Will Claps solve the puzzle, or will he lose his mind in the process, blinded by his own obsession?