Tough-O-Meter

We've got your back. With the Tough-O-Meter, you'll know whether to bring extra layers or Swiss army knives as you summit the literary mountain. (10 = Toughest)

(2) Sea Level

Wonder is a page-turner, a literary piece of cake so sweet that you might want to brush your teeth when you finish it. It's super accessible, immediately relatable, and tremendously uplifting. The hardest thing about reading it might actually be maintaining any emotional distance from the story—it's probably pointless to even try. So dig in.