[San Diego]: Companion, .
First edition of this Paperback Original about LSD-fueled swingers. "She crouched on her hands and knees; the sensations she was feeling from the drugs were overwhelming. She felt as if she had four or five minds." Cover illustration of tripping wife swappers by Ed Smith. One of the scarcest LSD exploitation paperbacks. WorldCat turns up only one copy. Small tear and corner crease to back cover, else very good.