El mantenimiento de la paz

Vintage Sci-Fi 24 - 22 Science Fiction Short Stories from Philip José Farmer, Lester Del Rey, Robert Bloch, Frederik Pohl, Michael Shaara and more

Robert Bloch, Tom Godwin, Frederik Pohl, Frank Belknap Long, Philip José Farmer, Stephen Marlowe, Stephen Bartholomew, Arthur Sellings, Alan J. Ramm, Lucius Daniel, Joe Gibson, William Oberfield, Lester del Rey, Alfred Coppel, Dave Dryfoos, Frank M. Robinson, Robert Moore Williams, Michael Shaara, Ross Rocklynne, Alan E. Nourse, Ann Griffith

Science Fiction Grand Masters 4 : Vintage Visions, Timeless Genius—Only from the Grand Masters of Sci-Fi

Jack Williamson, Ray Bradbury, Fritz Leiber, Hal Clement, Isaac Asimov, Frederik Pohl, Arthur C. Clarke, Alfred Bester, C. M. Kornbluth, Robert Silverberg, Lester del Rey

Science Fiction Grand Masters 3

Arthur C. Clarke, Clifford D. Simak, Ray Bradbury, Harry Harrison, Frederik Pohl, Jack Vance, Robert Silverberg, Fritz Leiber, Isaac Asimov, Fredric Brown, Mack Reynolds, Andre Norton

Aliens and Nothing But Aliens 2

Philip K Dick, Ray Bradbury, Erik Fennel, C. H. Thames, Bjarne Kirchhoff, Robert Silverberg, Russ Winterbotham, Lawrence F. Willard, Richard R. Smith, Frederik Pohl, Ross Rocklynne, George Whittington, John Bernard Daley, William Morrison, Fredric Brown, Henry Slesar

Science Fiction Grand Masters 2 : Vintage Sci-Fi by Asimov, Bradbury, Clarke, Heinlein, and More

Arthur C. Clarke, Frederik Pohl, Harry Harrison, Fritz Leiber, Robert A. Heinlein, Ray Bradbury, Clifford D. Simak, Robert Silverberg, Isaac Asimov, Jack Williamson

Science Fiction Grand Masters : From Asimov to Ellison—Timeless Sci-Fi by the Genre’s Greatest Minds

Arthur C. Clarke, Isaac Asimov, Robert Silverberg, Damon Knight, Fritz Leiber, Clifford D. Simak, Harry Harrison, Poul Anderson, Frederik Pohl, Harlan Ellison, Ray Bradbury, Lester del Rey

Lost Sci-Fi Books 286 thru 290 - Five Vintage Sci-Fi Short Stories from the 1930s, 40s, 50s and 60s : Reality, Rockets, and the Dark Wonders of the Universe

Arthur C. Clarke, Ray Bradbury, Donald A. Wollheim, Robert E. Howard, Frederik Pohl

1940s Science Fiction 3 - 21 Classic Science Fiction Short Stories From the 1940s

Isaac Asimov, Ray Bradbury, Murray Leinster, Ray Cummings, Andre Norton, Henry Hasse, Bryce Walton, William Oberfield, Donald A. Wollheim, Frederik Pohl, Jerry Shelton, William Brittain, Alfred Coppel, George R. Hahn, Frank Belknap Long

Lost Sci-Fi Books 266 thru 270 - Five Vintage Sci-Fi Short Stories from the 1930s, 1940s, 1950s and 1960s

Arthur C. Clarke, Walter M. Miller, Fritz Leiber, Frederik Pohl, C. M. Kornbluth, Joseph Slotkin

1940s Science Fiction 4 - 16 Classic Science Fiction Short Stories From the 1940s : From Martian Duels to Time Twists—1940s Sci-Fi at Its Best

Ray Bradbury, Arthur C. Clarke, Clifford D. Simak, Murray Leinster, Alfred Bester, Donald A. Wollheim, Theodore Sturgeon, Frederik Pohl, Fredric Brown, Chester S Geier, Paul Macnamara, Edmond Hamilton

1950s Science Fiction 12 - 23 Science Fiction Short Stories From the 1950s : Alien Encounters, Time Paradoxes, and Human Reckoning

Brian W. Aldiss, Robert Silverberg, Harry Harrison, A. E. van Vogt, Fritz Leiber, Frank M. Robinson, Ron Goulart, Gene L. Henderson, Richard R. Smith, William Bender, Jack Sharkey, Victoria Lincoln, Arthur C. Clarke, Michael Shaara, Tom Godwin, Frederik Pohl, Roger D. Aycock, Morton Klass, Robert Sheckley, Elisabeth R. Lewis

A Hitch in Time : A Time Traveler’s Fatal Decision

Frederik Pohl