This book is hard going because it reads like fan fiction. The references to 'buffy's' and star trek are jarring and greatly detract from the book. By all means, call the main character a slayer, or a slayer of demons but not a 'Buffy'. That smacks of laziness, and of someone who is totally inexperienced. It really is jarring.
If Larissa had just described the mind reading scene with originality, instead of saying it was like Spock's mind reading trick (the thing he does with his hand to someone else face), then it would have been a lot better. Again, sloppy writing. And if you shorten werewolf to 'were' then you need let us know that it doesn't mean were, as in 'we were fighting'(for example by using italics or a capital W).
Additionally the fight scenes were rubbish. Blows were exchanged. She took a hit to the ribs. But what actually happened? Was she punched or kicked? And I thought the demons had unsheethed their claws, so a 'blow' seems a bit unlikely, compared to a swipe or a slash. Again, I'm not convinced, neither the fight itself nor the setup for the fight were convincing. Especially compared to the Kate Daniels fight scenes.
The world is interesting, but it has not been thought out. How does a species of demon survive if they never reproduce? A bit of thought can tear this world apart. And the sex scenes, well, the main character had her stomach cut open(by a doctor wanted to see if she was a demon) and so she was covered in stitches etc, and the first thing she does when she wakes up is have sex with the demon doctor in the hospital. Not really impressed with that one, her character doesnt ring true. It reads poorly, the dialogue is clunky and the characters are a wooden.
In a brief summary, it reads like fan fiction. 4/10. 2.5/5. This series has potential, but its hard going from the start. Some readers might be revolted by the sex scenes, some readers will dislike the characters, dialogue and the amateurish quality to the writing.
Larissa has absolutely nothing on Ilona Andrews 'Kate Daniels' series. It almost seems like Larissa tries to imitate her style(And fails). I would strongly recommend the Kate Daniels series.