If you can't get enough Sith-on-Sith sexy slashfiction action, you could check out the entire category of such work, broken down to what types of character interaction takes place and who is involved. It's just a tiny sliver of the work indexed by The Slash Page Database Project. Oh, the creativity of sexless nerds...
Jeez, these people need to get a clue. Children should be encouraged to read anything they want, and as much as they please. So what if Harry Potter books have wizards and witches in them? Even kids can tell fact from fiction...when are the adults going to figure that out?