I agree with you; I LOVE books where the victim gets a Full helping of revenge. One of my favorite movies is Law Abiding Citizen with Gerard Butler for this reason.
A recommendation from some comeuppance, there is a legal thriller by John Grisham called The Rainmaker - not exactly the same (don’t rely on the movie, the movie adaptation sucked). A lot of feel good moments of the bad guy (insurance company big wig lawyer) getting his butt kicked in court.
Great review. I am in agreement with everything you stated. A great read. Grabs your attention as well as pisses you off. Definitely let’s you see where vulnerabilities can cause you to dismiss red flags. Like you, I had it on my shelf for awhile before I read it. Glad I pulled it down.