There are many popular mystery novels out there at this time. Mystery novels are always entertaining, and can keep you on the edge of your seat. Many people love reading mystery books.
The "Three Coffins" by John Dickens Carr, is about 3 brothers put in jail in Transylvania for bank robbery. Another is "Evil Under The Sun" by Agatha Christie about murders being committed on an island that cannot be stopped and the suspects are guest at a motel. Also "Sherlock Holmes" by Sir Arthur Conan Doyle" the novel "Devils Bones" have a lot of good reviews. It was written by Kathy Reichs.
How about "The Case of the Late Pig" by Margery Allingham, or "Night Kill" by Ann Littlewood? There are just so many out there that you need to check out. There are also some mystery series novels by authors like Agatha Christie, Patricia Cornwell and James Patterson. Mystery series can even be better than just a novel.
There are many book clubs out there where you can get mystery books that come to your house automatically. Many of the current most popular novels are updated every hour on some web sites. Louis Lamore has written a lot of novels and a lot of short stories about mystery. If you do not want to spend a lot of money on the books you read, you can get cheap novels at used book stores.