First edition first printing of this collection of one novella, one novelet and five short stories. 
Collected are the following: one novella: 
The Ballad of the Flexible Bullet by Stephen King. 
The one novelet: 
Demon Lover by M. Sargent Mackay. 
The five short stories: 
Joining by Molly Gloss, 
Will the Real Sam Starburst by Chet Williamson, 
Stoneskin by John Morressy, 
Two Bits by O. Niemand, 
The Skin Disguise by Wayne Wightman. T
The King story was later collected in 1985 in the Skeleton Crew collection. In fine condition.
Thank you. Don
Scene of the Crime Books