Lots of cover wear from age, use and storage.. Almost all cover and spine related. Pages look great. Compatible computer brands: IBM, Apple 2, 2 plus, 2e, Atari 400 800 XL, Collection, Commodore, TRS-80, Texas Instruments Program manual for sports and puzzles and games ****Disclaimer on old/vintage/antique books: Some wear from age, use and storage which may or may not include some, none or all of the following: writing/personalized notes on inside covers and title pages, small tears, creasing, etc.... all typical Vintage and antique book wear. **All items pictured are fully usable and/or functional unless otherwise noted** Inspect pics closely and ask any questions before buying or offering. Tons more toys, collectibles, paper, antique, vintage ephemera, maps, engravings, prints, vinyl, vhs, media, books, bags, handmade and more! Will combine shipping! C77