Spinoff series
I loved the first half (I stayed up until 3am reading it) but it dragged in the second half. Though book one in the Mercury Pack series, it becomes clear it's a spinoff as (too many) characters with history are introduced and one of the main baddies was involved in something from the past. Also, the motivations for horrid crimes were weak and fairly anti-women. Turns out I have read and DNFed this author before so she's just not for me.