Louisa and the Missing Heiress is a historical mystery set in 1854 in Boston. The title is misleading since the heiress in question was never really missing, just late to tea parties and then killed. The story contained rich, but not overwhelming detail about everyday life at that time and the real Louisa May Alcott's life.
I found the Louisa character charming, and I enjoyed the underlying humor in how she viewed others and herself. The other characters were vivid but generally not very deep or distinct from each other.
The whodunit wasn't very difficult to figure out. I was sure who the murderer was very early in the story, and it only became more obvious. The author was able to extend the mystery by having Louisa have so many questions to ask that she didn't ask some obvious questions early on. However, she still hadn't asked these questions when, near then end of the story, Louisa knew she was missing something but couldn't think of any questions she'd neglected to ask. The character was smart, so this didn't strike me as realistic.
When Louisa did figure it out who the murderer was (along with some details that, indeed, I never would have guessed), she acted stupidly: she didn't tell anyone who the murderer was, sent her only backup away (to fetch the police), then went alone and without a weapon to confront someone whom she suspected was about to kill again. This didn't increase the suspense for me. During her confrontation with the murderer, the author didn't use the murderer's name in order to "surprise" us with it later. That just made me feel insulted and irritated.
So, while I found the first two-thirds of the novel charming and enjoyable, the author hit too many of my pet peeves in the last third for me to enjoy it. If the things I pointed out above don't annoy you, then you'll probably enjoy this novel. There were no sex scenes. There was a very minor amount of both explicit and "he cursed" style bad language.
I received this book as a review copy from the publisher.