
Clifford Donald Simak (August 3, 1904 – April 25, 1988) was an American science fiction writer. He won three Hugo Awards and one Nebula Award.The Science Fiction Writers of America made him its third SFWA Grand Master,[4] and the Horror Writers Association made him one of three inaugural winners of the Bram Stoker Award for Lifetime Achievement.[5] He is associated with the pastoral science fiction subgenre.

Dark Forces
1980
ISBN 9780553148015
Dark Forces: New Stories of Suspense and Supernatural Horror
1980
ISBN 9788427014671
The Wesleyan Anthology of Science Fiction
2010
ISBN 9780819569554
Tomorrow's Children
1966
ISBN 9780860078210
Science Fiction Hall of Fame
1973
ISBN 9780765305329
The Mammoth Book of Science Fiction
2002
ISBN 9780786710041
Time is the Simplest Thing
1961
ISBN 9780417056302
Nature's Warnings: Classic Stories of Eco-Science Fiction
2020
ISBN 9780712353571
Nebula Award Stories Six
1972
ISBN 9789997376534
Isaac Asimov Presents the Great SF Stories 11
1984
ISBN 9780879979188
Nightmare Age
1970
ISBN 9780345020444
The Great Science Fiction Series
1980
ISBN 9780060133832
Alien Worlds
1964
ISBN 9780610536670
The Science Fiction Hall of Fame: Vol. 1, 1929-1964
1970
ISBN 9781538514047
Star Science Fiction Stories No. 1
1953
ISBN 9780345000163
The 1973 Annual World's Best SF
1973
ISBN 9780879970536
The Best Science Fiction Stories
1977
ISBN 9780600382430
A Wisconsin Harvest, Vol.
2013
ISBN 9780982842836
Isaac Asimov Prezentuje Najlepsze Opowiadania Science Fiction
1958

Seven Come Infinity
1966
ISBN 9784049017526
Creatures From Beyond: Nine Stories of Science Fiction and Fantasy
1975
ISBN 9780525664598
The Best Science Fiction of the Year 10
1981
ISBN 9780671422622
The Time Travel MEGAPACK ®: 26 Modern and Classic Science Fiction Stories
2013

Before the Golden Age
1974
ISBN 9780385024198