This is a grouplot of vintage 1980’s reference books and materials for the Texas InstrumentsTI-99/4A home computer. This group includes the TI Beginners BASIC book, a loose-leafUser’s Reference Guide, TI program library, a program library addendum, aset-up and quick start guide, an addendum to the user’s reference guide, a U.S.Consumer Products suggested price list with Bill Cosby’s picture on front, moreaddendums and a TEXNET Information Service booklet, a video modulator operatingguide and a computer Advantage Club paper. You get all as shown and described. Allare in excellent condition!