The debut novel from the creator of The Saint series, this crime thriller features a Scotland Yard detective as he hunts a mysterious vigilante.

Someone is killing off the corporate team behind Spur, a new cigarette company taking over the market. Inspector Bill Kennedy of Scotland Yard is on the case, searching for an anonymous assassin who goes by the name X Esquire. But as Kennedy follows X Esquire's trail, he begins to wonder if the ruthless assassin is the true villain . . .