This book has quite a bit going on, which isn't always a bad thing, but I do think it made this book longer than it needed to be. For me, part of it was the pacing; at times, I felt too bogged down by the details that it took away from the main mystery in the plot. 

That being said, the cast of characters were well done, and I appreciated the overall message of the book, especially for a teen audience. The relationships and connections Jo makes throughout felt real and authentic, and those are what brought me back to the story. 

All in all, not a bad mystery/thriller, but maybe one that moves at a bit slower pace.