Enormously frustrating, if you couldn't afford books. Once I got a modem, I made several breakthroughs thanks to collections of text files, the greatest of whic

Enormously frustrating, if you couldn't afford books. Once I got a modem, I made several breakthroughs thanks to collections of text files, the greatest of which was PCGPE, the PC Games Programmers' Encyclopedia. (Looks as though a few people have put it online: http://qzx.com/pc-gpe/ http://qzx.com/pc-gpe/)