It's fast paced, contains multiple view points, and I feel like it's just the tip of the iceberg for the series. The plot itself is pretty interesting but I felt like I wanted a bit more than I got--admittedly I also felt like the romance was developed much too quickly (and then I reached a point where I didn't care anymore because quite frankly I like Evan). At this point in the game I'm still very neutral about Cassie and it's too soon to say what I think of Ben as well. 
 In short: if you've been thinking about reading it, do so.