Vol. 13 showcases the late 1970s, when Crumb's character the Snoid first appeared. That Crumb creation is a devilish imp, all id and no conscience, that some say is an alter ego of Crumb. Other highlights here include early collaborations with the late Harvey Pekar and a color section of covers Crumb drew for records by old-time blues and jazz musicians that beautifully convey his nostalgia for America's musical past. It also includes one of Crumb's...