"Violence" Tag

I've tagged books "violence" not because they're full of death, murder, and mayhem, but because there is some sort of violence at some level -- bullies, fist fights, on up to wartime settings.  Most of the books with this tag are very mild.  ...Fried Worms gets the tag because the friends fight -- really no big deal, but if I had a Quaker student with really strict parents...?  I think I've put the tag on a few books like Paulsen's Hatchet series, even though the violence is very realistic and largely deals with wilderness survival.