Attack of the Flickering Skeletons: More Terrible Old Games you've Probably Never Heard of.
Basic Fun
Basic Fun with Graphics
C64 User's Manual
Captain 80 Book of Basic Adventures, The
Castles & Kingdoms: Adventures for your Commodore 64
Coleco Adam Entertainer
Commodore 64 Adventures: A Guide to Playing and Writing Adventures
Compute!'s First Book of Commodore 64 Games
Compute!'s Guide to Adventure Games