A couple of good submissions on the evil scrotum book:
The Higher Power of Lucky- Controversialsarahmae writes "The New York Times has an article about the controversy over Newbery Medal winner "The Higher Power of Lucky" using the medically correct term of scrotum.
More commentary can be found at Librarian.net which contrary to the NYT's assertion is a blog and not an electronic mailing list.
I see this as part of trend of adults censoring the correct terms for body parts so that they do not have to explain them to children. Exhibit Two: The Hoohah Monologues"