New York: Ballantine, 1973. First Edition, a paperback original. SIGNED by the author (as Jack Vance) on the title page. Uncommon to find in this condition, and quite scarce signed.
Basis for the classic 1974 made for TV horror film, directed by Buzz Kulik and starring Scott Jacoby, Dabney Coleman, and Kim Hunter. A shy teenager accidentally kills a fellow student who is mocking him, and with the help of his mother, hides in a spare room in their house. One thing leads to another.
About Fine and unread in wrappers.