Lovers of art comics will know Hans Rickheit from his smashing graphic novel The Squirrel Machine (2008), but Rickheit has, for over a decade, been producing his own self-published comics -- reaching into the deepest cupboards of the back-mind and culling these strange artifacts. He has been a basement- dweller, gallery troll, and a purveyor of forbidden notions. Originally distributed into the world as Xeroxed pamphlets, these "underground comix"...