No mark upon her : a Duncan Kincaid and Gemma James mystery

This mystery novel embroils Kincaid and James in the case of the puzzling drowning of a rower, a Met detective, on the Thames. It is twisting tale of psychological suspense, a story rich in deadly secrets, salacious lies, and unexpected betrayals. When an Olympic rowing hopeful and a detective with the Met is found dead in the Thames, Scotland Yard Superintendent Duncan Kincaid, along with his wife and his team, is submerged in a complex case involving political and ethical issues that put both his career and reputation on the line.