Commodore 64 Sketch and Design: A workbook for designing sprites, custom characters, and screens on the C64: Lavoie, Tony: 9798644618002: Amazon.com: Books
Mastering Machine Code on Your Commodore 64 (Retro Reproductions): Greenshields, Mark: 9781789829495: Amazon.com: Books
C64-Longplay - Amazon (720p) - YouTube
SkateRock - Commodore 64 : Video Games - Amazon.com