A Question of Blood

At a private school two teenagers are killed by an ex-Army loner who then turns the gun on himself.

As DI John Rebus puts it, 'there's no mystery ... except the why'. But this question takes him into the heart of a shattered community - and to a link with his own troubled past. Rebus becomes fascinated by the killer. The man had friends and enemies to spare, from politicians to the local Goths, and left behind a legacy of secrets and lies.

But Rebus faces his own trials too. A petty criminal who has been stalking DS Siobhan Clarke is found burnt to death in his own home. And Rebus is fresh out of hospital, hands heavily bandaged...