I remember the confused used CD store clerk when I traded in Metallica's "Kill 'Em All" and purchased a copy of Metallica's "Kill 'Em All". Some versions have

I remember the confused used CD store clerk when I traded in Metallica's "Kill 'Em All" and purchased a copy of Metallica's "Kill 'Em All". Some versions have two extra cover songs, Am I Evil and Blitzkrieg. The CD's identification number is identical on both, just to be extra confusing. I showed him, because of course he asked why I was picking up a CD I just traded in, and he was dumbfounded. He'd never seen anything like that.