This is a sequel to The Hunter: 1 (Victor the Assassin)
, but if you haven't read that book it doesn't matter too much: all you need to know is that our "hero" Victor is an assassin who usually operates as a lone wolf but who is required to undertake some jobs for a clandestine CIA operation. As in the first book, we learn very little about Victor other than that he is cold, ruthless and very, very good at what he does. That doesn't stop the character from winning the reader over.
The book develops quickly with lots of action and there is also plenty of detail about weaponry and the various locations which give it a terrific sense of realism. Whilst the plot is engaging enough, what I particularly liked was the insight given into the way that an assassin operates. The (dead exciting) ending sets it up nicely for another installment, which I look forward to.
There are a number of writers mining similar territory: Sam Cain, Mark Greaney, Vince Flynn - but I think Tom Wood is the best in the genre. If you like the Bourne movies, I think it's a pretty safe bet that you'll like this book too.