Louise Penny, #5 in the series. I await #6 in the series. And I want it NOW!
This novel is difficult because one of the dearer of the characters in the previous 4 books comes under suspicion. Penny handles the plot's twists and turns, tangling minds and humours, frustrating our attempts to figure out what the heck is going on. Until, believably, she wraps everything up, well just about everything, and leaves us panting for more.