I just wanted to say that my sister is 11, and my mom let her read the last two. The third one isn't even inappropriate except for one chapter called "Compromise". And it's really not that important, (although I love it ;-) so you could just make sure that she doesn't read that chapter.
Karen Lakin said:
Im 32, married and a mother of 3. My daughter and I love Twilight. I have read all 4 books. My daughter is only on New Moon. She only 11, Im not sure if I want to let her read the last 2.
Im 22 and married my husbands says im going nuts but twilight is worth him being jelouse over a fictional vampire. I'll be 23 in april next year and yeah i havent been so into anything since NSYNC (thats embarrasing).