Turquoiselle. The Colouring Book Series, #7

Not much is what it seems. The job can be dull, but quite demanding - it involves a lot of driving, often very long hours, an always erratic schedule. Not to mention social duties with certain important clients. The work is lucrative, however. He can easily afford the house in Kent, and the costly wants of Donna, his partner. For someone like Carver, dragged up through a deprived and abused childhood, not such a bad achievement.
It's just that suddenly things are running less smoothly. This stuff with Donna. Various unusual tensions at work. the bizarre and threatening business over Silvia.In the end, maybe all you can rely on is yourself. A dark speculative thriller, this is the seventh in Tanith Lee's captivating The Colouring Book series.