63.
The Underground Lifestyles Handbook.
Los Angeles: Aware Press, 1970. First edition (p/b original). 192pp. Cartoon illustrations by Doug Lovenstein. "A Trip To: Making love commune-style [20pp.]; Getting busted for pot; Body painting; Making sex films; The love life of a Groupie [Cynthia Plaster Caster]; Woodstock; Hair And Other Revolutionary Features of A New Kind of Life" (back cover blurb).
Koontz, who later became a successful horror writer, originally submitted the book's manuscript to the Aware Press in 1969 with the title 'Going Underground', but after they arranged for it to be substantially re-written without his consent, Koontz forbade them to reprint or republish it.
Wrappers slightly rubbed, with faint crease to lower corner of front cover; faint creases to spine; o/w a tight, Very Good copy of a scarce title.