Just like the rest of Hamilton's Matt Helm books, this one delivers. Start at the beginning (Death of a Citizen) and read them all. They are short novels in the style of Hemingway with a protagonist who is basically a nice guy, but follows his head rather than his emotions. Most importantly for the entertainment value, he doesn't do stupid things some author finds necessary to advance his plot. Another nice touch is that Hamilton clearly knows (well, knew, since he has sadly passed away) something about firearms and other tools of the violent arts, so when the going gets rough he doesn't have the protagonist do the stupid sorts of things other writers whose experience is limited to their TV remote controls dream up. I think Hemingway said something to the effect that good fiction was more true than truth, because truth always gets cluttered up with tangential facts. (I'm sure Hemingway said it better). Anyway, Hamilton's books ring true in that absolute sense.
Bottom line: entertainment with guidance in clear thinking which was appreciated by my young self 40 years ago and even more resonant today.