Isaac Asimov Presents the Great SF Stories is a 25-book series with 25 released primary works first released in 1963 with contributions by Isaac Asimov, Maurice A. Hugi, Robert A. Heinlein, Theodore Sturgeon, C.M. Kornbluth, Robert Arthur, Eric Frank Russell, Ross Rocklynne, A.E. van Vogt, Fredric Brown and 42 others.