SWITCH.
Atlanta: Pendulum Books, 1968. Paperback. Light shelfwear. Very good.
Item #13682
160pp+ads. The couples in the lumber shed didn't know who was to do what or to whom - but they swung wildly in an orgy of mate-swapping. Includes "Switch," "Office Wife," and "Salvo of Love.." 064.
Price: $15.00