Lauren Oliver's Before I Fall is pretty popular with the teens at my school. I can see why. The cover is attractive, and it has an interesting premise, good lessons, and high school drama from varying angles that any tween/teen can connect with. Originally I felt that it wasn't the best written book - as the day repeats, characters seemingly change motivations - but when I realized this was happening as a reflection of Samantha's maturing, I had a lot more respect for the work. It still feels clumsy here and there, but for teens looking for a realistic plot about self discovery and life lessons, it's a respectable choice.
And yes, it is a less funny Groundhog's Day in YA novel form.
Because I mentioned it above: