This genre is rather obvious, but here's a short explanation regardless: these are mysteries, whether they are homicide novels or merely mysteriously adventurous.
10 / 10 (Fantastic!)
Some Like It Hot-Buttered by Jeffrey Cohen
Fool Moon by Jim Butcher
Storm Front by Jim Butcher
The Dresden Files series by Jim Butcher
8 / 10 (Great)
The Black Tower by Louis Bayard
The Secret Fiend by Shane Peacock
7 / 10 (Very Good)
Trace Evidence by Elizabeth Becka
Hangman's Curse by Frank Peretti
The Murder of Roger Ackroyd by Agatha Christie
6 / 10 (Fair)
I Hunt Killers by Barry Lyga
Paper Towns by John Green
Kay Scarpetta Series by Patricia D. Cornwell
Nightmare Academy by Frank Peretti
The Bourne Identity by Robert Ludlum
The Wind-Up Bird Chronicle by Haruki Murakami
5 / 10 (Not Very Good)
This Won't Hurt A Bit by Timothy Sheard
Vanishing Girl by Shane Peacock