On a Friday!
My favorite of the week was Christopher Fowler's The Invisible Code featuring Bryant and May. This is the fifth time I've tipped Fowler for his Bryant and May series. At this point in time, my concern isn't that I won't love one of the stories, but that the characters will die of old age ending the series.
The stories are excellent, the plots are sufficiently convoluted. But the best thing about them involves the tidbits of London history and folklore peppered throughout.