When you have a problem that can’t be solved, you call John Tyler. Nine people are trapped on an anthrax-infested, government-controlled island off the west coast of Scotland when the door to their decontamination chamber suddenly stops opening. The only man who can fix the door – the onsite technician – is dead. Was it an accident? Or was he murdered? On an island populated by an international team of scientists with a military-grade bioweapon readily available, the motive to kill is strong, and death is laced into the very soil…