These series is just amongst the best the subgenre can offer IMO. This is book five and I keep thinking surely there must be one title where the writing won't be as strong, where mystery would be easy to guess? So far no, not really. Dave Brandstetter is one of the most memorable and interesting detectives and that does not change in this book either. He is actually smart and while sometimes red herrings could sway him in the wrong direction, I have not wanted to yell at him and tell him "look the solution is just in front of you" once. The author makes the reader work hard to figure out the solution and I still was not able to do that :)
I also love how matter of fact we keep learning some stuff about his personal life. Hansen can say so much with so few sentences. Love it.