This question is often asked on here but as per usual the search facility isn't working to give you links to previous discussions .
Try this site
http://www.fantasticfiction.co.uk/
Gives all the latest crime,mystery and thrillers with a brief synopsis of the books .
This site is good too for historical type crime novels.
http://www.crimethrutime.com/reviews/reviews.h tm
There are so many good crime writers out there it's hard to nominate a favourite .
James Lee Burke , Henning Mankel and Peter Robinson are just a few of mine .