Finally 12

The book I'm reading is Finally by Wendy Mass.It's about a girl named Rory and she wants to turn 12 so she could do things she wants to do like put on make-up,boy-girl parties,and going to mall alone with BFF.Rory's on a field trip with our class and ends up in a drainpipe.A lady shows up and tells rory about how growing up may not be something you want to happen right now.