Tomorrow Sucks: Tales of Scientific Vampirism by Roger Zelazny, Ray Bradbury, Dean Ing, Spider Robinson, and many more.
Edited by Donald A. Wolheim and Terry Carr:
Worlds Best Science Fiction-1970: This anthology contains the stories: "A Boy and His Dog", by Harlan Ellison, "Ship of Shadows", by Ursula K. LeGuin, "After the Myths Went Home", by Robert Silverberg, and many others.