Very useful guide to Twilight 2000 1st Edition, even has a listing of the articles in Challenge magazine
Pro
Excellent Reference
Neutral
Could have included the short lived Twilight 2000 newsletter "Eternal Soldier"
Con
None
This is pretty much a repetition of my review of the guide to TW2K v.2, so I'll summarize: if you are interested in near future gaming -- either as an RPG or as a miniatures game, THIS BOOK IS A MUST PURCHASE.