Callander Square (Charlotte & Thomas Pitt #2)
Anne Perry

Inspector Pitt’s well-bred wife doesn’t often meddle in her husband’s business, but something about this case intrigues her–to the point that staid Charlotte Pitt is suddenly rattling the closets of the very rich, seeking out backstairs gossip that would shock a barmaid, and unearthing truths that could push even the most proper aristocrat to murder.