The Diamond Brothers, the world's worst private-detective agency, are in deadly danger - again - in this novel from the creator of the bestselling Alex Rider series. Tim is broke. So when a mysterious stranger offers him a wad of money for his overcoat, it seems like a stroke of good fortune. But there are worse things than being broke. Being shot, for one - which is what happens to the stranger, and could soon be the fate of the Diamond Brothers--