Found guilty at five
(Book)

Berkley Prime Crime hardcover edition published in 2012.

"A wedding is always a happy occasion, even if Lois Meade must remind herself she isn't losing a daughter, but gaining a policeman. Her new son-in-law is in the Tresham force--and happens to be Inspector Cowgill's nephew--so now Lois has another link to the law. But when her youngest son invites a mysterious woman, Akiko, as a guest, Lois wonders why she refuses to talk about her past. And when a thief waltzes off with the young woman's cello, Lois enlists the inspector's help to find the valuable instrument. When Akiko herself goes missing, Lois discovers that this could be another in a string of murderous musical thefts. Now she must pull out all the stops to find the girl and protect her son--before the music stops permanently ..."--Provided by publisher.