Commodore 64 Sketch and Design: A workbook for designing sprites, custom characters, and screens on the C64: Lavoie, Tony: 9798644618002: Amazon.com: Books
An Introduction to the Commodore 64: Adventures in Programming: Scrimshaw, N.B.: 9781489967893: Amazon.com: Books
The Commodore 64: History, Technology, and Legacy: McCarthy, Angela S.: 9781518811081: Amazon.com: Books
Mapping the Commodore 64: Leemon, Sheldon: 9780942386233: Amazon.com: Books