Commodore 64 - Abacus Software Book Series: Ideas, Anatomy, Tricks and Tips

Power Plan Spreadsheet Software For The Commodore 64 & 128 By Abacus

Cadpak-64 for the Commodore 64 Computer. Manual And 2 Disks. Abacus

Tips & Tricks For The Commodore 64 Book 1984 Abacus Software

Science and Engineering for the Commodore 64 by Abacus Software 1985

Ideas For Use on Your Commodore 64 By Abacus Software 1984

The Advanced Machine Language book for the Commodore 64 by Abacus Software

Commodore 128 Internals: An Authoritative Insiders Guide (1986 Abacus C128) Read