I have been wondering... is there a compilation anywhere of all the singles and b-sides that Iron Maiden ever released. Namely, those rare songs that never appeared on an album (ie: "Women in Uniform"). I know the Beatles have two volumes called "Past Masters" that have all the songs from single releases that were never on an album. I'd like to hear all of that stuff, but I figured I'd ask people here if they knew of a compilation before I started hunting them all down individually.