A Study In Scarlet Women by Sherry Thomas

There seem to be an abundance of mysteries setting Sherlock homes to have actually been a woman. There's at least one other one where her name is Charlotte. But this series is a little bit different. It's told in alternating third person viewpoints between Charlotte Holmes, her sister Olivia (Livia), and Inspector Treadles.
Charlotte believes herself to be smarter than everyone else in her family, including the father who holds the money. So when she decides to lose her virginity to a now married, ex-suitor, it's very calculated. What she didn't count on was being discovered by the man's wife. And his mother. Or that his mother would die the next day. Or that her sister would be blamed having gone to the woman's house the night before to confront her. She decides to set off on her own and quickly discovers that it is not going to be as easy as she assumed. The world does not have time for intelligent women. Well, except for one man, her childhood friend Lord Ingram.
Lord Ingram was the one to introduce Inspector Treadles to "Sherlock Holmes," the man who has helped him solve a case or two. So when Holmes points out the connection between the newly deceased mother, another Lady, and a gentleman from the country, Treadles listens.
Luckily, there is one other person who seems to appreciate Charlotte's talents, a former dancer named Mrs. Jebediah. At least, that is the alias she uses. She's really more well-known as Mrs. John Watson.
I really enjoyed the way this story was put together. Mrs. Watson, like the fictional male before her, brings talents to Charlotte that she doesn't otherwise have. Unlike Sherlock (at least usually), Charlotte at least seems to understand her value. Also with their relationship, there was a possibility of a Big Misunderstanding but it was nicely avoided. I'm very much looking forward to the next book in the series.

This book comes out October 18
Four stars
Followed by A Conspiracy in Belgravia