Charlaine Harris - Shakespeare's Counselor [Kindle azw3]

Cleaning woman and karate expert Lily Bard is a woman with a complicated past. Trying her best to cope with her terrifying memories, she decides to join a therapy group in her adopted hometown of Shakespeare, Arkansas. As it turns out, the group members' feelings aren't the only things that need sorting out, as they assemble for a session only to find a woman dead, left on display to send a twisted message.

Lily soon finds herself embroiled in the murder and its aftermath. Some of her own terrible secrets have been dredged up, and she may not be able to rest until she can untangle the 'who' and the 'why' of this terrible crime. But can she do so before the killer strikes again - and before her own nightmares send her over the edge?