World's Best Science Fiction is a 3-book series with 3 primary works first released in 1965 with contributions by Donald A. Wollheim.
#1 of 3 in World's Best Science Fiction
1965 • 1 Reader • 288 pages • 3
#5 of 3 in World's Best Science Fiction
1969 • 1 Reader • 352 pages • 3
#6 of 3 in World's Best Science Fiction
1970 • 1 Reader • 349 pages • 3