My library is selling its long tail: Last Saturday, like almost every week-end, my son Kai and I went to the local library. As always we tried to score five new children's books, a goal we somehow always manage to attain :-) And when there's time and attention span left, I get to choose some books and cd's as well. That fortunately being the case, I noticed that the music department was selling part of its collection. Not junk, but truly magnificent stuff. Apparently, the...