Machine Code Games Routines for the Commodore 64 By Paul Roper

The Machine Language Book of the Commodore 64 * - Paper Back Edit

Compute's Machine Language Routines for the Commodore 64

Machine Code Games Routines for the Commodore 64 - 6x9 - Coil Bou

Compute's Machine Language Routines for the Commodore 64

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

Commodore 64 Machine Code Master - C64 Book

Machine Language for the Commodore 64, 128, and Other Commodore Computers - SB