Cover image not available
This collection originally published: as 'World's best SF. 1976'. New York : Daw Books, 1976.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
The world's best SF. 3. ISBN 0234721154. Published by Dobson in 1979. Publication and catalogue information, links to buy online and reader comments.