This book just didn't do it for me.
There were a lot of elements that I liked: the Regency era, the Bow Street Runners, general girl-and-guy-hate-each-other-but-are-falling-for-one-another-ness, and a mystery to solve; unfortunately, they didn't ever come together in a way that I liked, leaving me with a wistful 'what could have been.'
My favorite part of the book is Brentwood himself. He's smart and strong, he's persistent and bossy, he's rough around the edges but dedicated to his work. But he's also quite kind and caring, as we see in his relationships with Jenny and Hope and, eventually, Emily. I was fascinated by his work as a Bow Street Runner, but I wish we would've gotten a better sense of how Brentwood ended up in his position. I liked that he was willing to put himself on the line to solve the case, and I appreciated his blunt honesty in dealing with his ornery ward.
And ornery she is. Emily really ruined this book for me. She's spoiled, selfish, and nosy in a bad way. Her focus on finding a husband puts her in dangerous situations that she then has to be rescued from, and she rarely listens when people try to keep out of danger. I will admit that Emily grew as the story progressed, but the growth took too long and didn't feel very real to me. Even after having been attacked and almost kidnapped, Emily still insists on wandering the streets by herself, despite having been repeatedly told not to do that very thing. Her lack of common sense just irked me, and it was quite at odds with her skills in observation and deduction; Brentwood says that maybe Emily should apply for a Bow Street position, but with her showy temper tantrums and her penchant for winding up in unsavory situations, she'd end up dead or worse before too long.
Maybe other readers see something in Emily that I didn't, but I just couldn't stand her, and although I knew she and Brentwood would inevitably end up together, I could never quite believe the progression of their relationship. I can't believe that Brentwood's desire to keep Emily safe would last that long when she repeatedly ignores him to do whatever she wants, and I can't believe that Emily could love anything other than her dog and bonnets enough to lower her social standing.
All that being said, the writing itself is pretty solid. I liked the descriptions of the city and the houses, the POVs were varied and distinct, and there was a nice balance of showing vs. telling. If the mystery had made a little more sense and if Emily had been less irritating, this probably would've been a pretty solid 3 stars. As it is, 3 stars feels generous, but I would be willing to give the author another chance--as long as I can find a heroine that doesn't make me want to shake some sense into her.