'My name is Boone Shepard. I'm a journalist, an investigator and a time traveller. I've been accused of being a murderer and of being a friend. This is my account of the crisis that gripped London in 1967. You probably heard about it. You might have lived through it - the madman determined to destroy his greatest enemy and the terrible crimes he committed in the process.Maybe you still blame me. But there is a lot you don't know about the tragedies, the loss and the dark secrets that were finally revealed. It's time the truth came out.My name is Boone Shepard. This is the end of my story.Someone is murdering journalists, and Boone and Promethia have only two days to investigate before the killer strikes again. But their friendship is put to the test as the investigation uncovers ghosts from the past and secrets that should have stayed buried. Are they on the right track, or is there something much bigger going on? Boone must face his past once and for all if he has any hope of putting things right.In a thrilling conclusion to the Boone Shepard trilogy, The Silhouette and the Sacrifice is an action-packed farewell to the characters readers around the world have come to love.' (Publication summary)