Alien Sexploits: The Series

This is a boxed set of stories of the Alien Sexploits series covering the four books that tell of the adventures experienced by two earthlings who are contacted by Aliens. Primarily required to help the Aliens reproduce to save their race from extinction, the tales relate the lengths they must go to and to endure to firstly impregnate the selected Alien woman but then the carnal rewards they receive for their co-operation.