Machine Code Games Routines for the Commodore 64 By Paul Roper

Machine Language For The Commodore 64, 128, and Other Commodore C

Commodore 64/128 Assembly Language Programming - 6x9 Coil Bound Edition

Commodore 64 Computing By Ian Sinclair - Good Condition

The Machine Language Book of the Commodore 64 - By Lothar Englisch - Coil Bound

Introducing Commodore 64 Machine Code - Coil Bound

VIC-20 and Commodore 64 Tool Kit: Kernal - Coil Bound Edition

Creating Arcade Games on the Commodore 64 By Robert Camp - Coil Bound Edition