An illustrated introduction in 3 Dimensions! Published 1984. Btw. The music in this video is by 8 bit weapon, a remix of the C64 MULE theme. Checkout their awesome tracks at www.8bitweapon.com Look for track 3 on "Confidential 2.0". (MULE (Bitblaster Mix)). I recommend purchasing some of their albums. (They also perform live).