I enjoyed Beautiful Bastard and Beautiful Bitch was okay, but Beautiful Stranger I loved! The authors (it's two ladies) did a great job with this one. From the moment I started it, I liked Chloe and loved Max. There were lots of naughty bits in this story, but not as many as in Beautiful Bastard. But it was fine, I enjoyed the story of Chloe and Max as they dived into a world of public sex and naughty photos, all while trying to keep their relationship a secret.
The stories can be read as stand alones, and I'd recommend this book to anyone curious about the series. If you start with this one, you'll go back and pick up the others.