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

Programming the Commodore 64 - The Definitive Guide

Assembly Language Programming With The Commodore 64 By Marvin L. De Jong - PB

Compute's Machine Language Routines for the Commodore 64

Adventure Games for the Commodore 64 by A.J. Bradbury (Paperback, 1984)

Commodore 64 Assembly Language Arcade Game Programming - By Steve Bress - PB

Commodore 64 Games Book

The Great Book of Games 46 Programs for the Commodore 64