An exciting thrift day for me; I found a book I've been looking for for a while now - the "Applesoft BASIC Programmer's Reference Manual" for the Apple II. It's a hardcover in perfect condition, even the tear-out reference card is intact! I got that and one from Digital press, "Technical Aspects of Data Communication, 2nd edition" (1982), both for about 2 bucks. I happened along a Motorola/Codex 2131 csu/dsu. Anybody know anything about this little beauty? I couldn't find much on the 'net about it, but it's obviously a 9600b csu/dsu with a nifty design. Cheers, Aaron