Ha. Well, it's not porn! There are some GREAT lines in there and its very creative.
But, I do think there should be some sort of a warning on the outside about how it's not suitable for children.... or actually, anyone under 16 (maybe not that old).
I especially think the ones that have the pictures of the musical in it need to have a disclaimer. If just going by the musical, one would expect something bubbly or Harry Potter-esque.
"My friends have made the story of my life."
-Helen Keller