Synopsis
In the near future, an instrument for viewing past events has been invented, but its use is so tightly regulated by the government that a pair of university professors come to the conclusion that it is being completely suppressed and attempt to build their own; however, the consequences are more wide-ranging than they ever suspected.
External Links
Publications (76)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| April 1956 | Astounding Science Fiction, April 1956 | Street & Smith Publications, Inc. | MAGAZINE | 6 |
| September 1956 | Astounding Science Fiction, September 1956 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 4 |
| October 1957 | Earth Is Room Enough | Doubleday / SFBC | Collection | 11 |
| October 1957 | Earth Is Room Enough | Doubleday | Collection | 11 |
| October 1957 | Earth Is Room Enough | Doubleday | Collection | 11 |
| April 1959 | Earth Is Room Enough | Bantam Books | Collection | 9 |
| April 1960 | Earth Is Room Enough | Panther | Collection | 9 |
| May 1960 | Earth Is Room Enough | Doubleday | Collection | 11 |
| December 1961 | Earth Is Room Enough | Doubleday | Collection | 11 |
| 1962 | Earth Is Room Enough | Panther | Collection | 9 |
| August 1964 | Five-Odd | Pyramid Books | Anthology | 8 |
| August 1964 | Five-Odd | Pyramid Books | Anthology | 8 |
| 1967 | Earth Is Room Enough | Panther | Collection | 9 |
| 1969 | Earth Is Room Enough | Panther | Collection | 9 |
| April 1970 | Earth Is Room Enough | Fawcett Crest | Collection | 7 |
| April 1970 | Earth Is Room Enough | Fawcett Crest | Collection | 7 |
| 1971 | Earth Is Room Enough | Panther | Collection | 9 |
| June 1971 | Five-Odd | Pyramid Books | Anthology | 8 |
| June 1971 | Five-Odd | Pyramid Books | Anthology | 8 |
| 1972 | Beyond Control | Thomas Nelson | Anthology | 162 |
| 1972 | Earth Is Room Enough | Panther | Collection | 9 |
| 1972 | Earth Is Room Enough | Panther | Collection | 9 |
| June 1972 | Possible Tomorrows | Sidgwick & Jackson | Anthology | 8 |
| 1973 | Earth Is Room Enough | Panther | Collection | 9 |
| 1973 | Earth Is Room Enough | Fawcett Crest | Collection | 7 |
| February 1973 | Beyond Control | Thomas Nelson | Anthology | 162 |
| March 1973 | The Best of Isaac Asimov | Sphere | Collection | 197 |
| September 1973 | Possible Tomorrows | Coronet | Anthology | 9 |
| October 1973 | The Best of Isaac Asimov | Sidgwick & Jackson | Collection | |
| January 1974 | The Best of Isaac Asimov | Sphere | Collection | 197 |
| February 1974 | Beyond Control | Dell Laurel-Leaf | Anthology | 173 |
| September 1974 | The Best of Isaac Asimov | Doubleday | Collection | 171 |
| 1975 | Earth Is Room Enough | Panther | Collection | 9 |
| 1976 | Earth Is Room Enough | Fawcett Crest | Collection | 7 |
| 1976 | Earth Is Room Enough | Abelard-Schuman | Collection | 11 |
| January 1976 | The Best of Isaac Asimov | Fawcett Crest | Collection | 191 |
| May 1976 | Beyond Control | Dell Laurel-Leaf | Anthology | 173 |
| February 1977 | Earth Is Room Enough | Panther | Collection | 9 |
| March 1977 | The Best of Isaac Asimov 1954-1972 | Sphere | Collection | 32 |
| 1978 | Earth Is Room Enough | Panther / Granada | Collection | 9 |
| January 1979 | The Far Ends of Time and Earth | Doubleday | Omnibus | 181 |
| March 1979 | The Far Ends of Time and Earth | Doubleday & Company / SFBC | Omnibus | 181 |
| November 1980 | The Arbor House Treasury of Great Science Fiction Short Novels | Priam Books / Arbor House | Anthology | |
| December 1980 | The Analog Anthology #1 | Davis Publications | Anthology | 187 |
| December 1980 | The Arbor House Treasury of Great Science Fiction Short Novels | Arbor House | Anthology | 302 |
| 1981 | Analog's Golden Anniversary Anthology | The Dial Press | Anthology | 187 |
| 1981 | Earth Is Room Enough | Granada | Collection | 9 |
| May 1981 | The Arbor House Treasury of Great Science Fiction Short Novels | Arbor House / SFBC | Anthology | 295 |
| 1982 | The Best of Isaac Asimov | Fawcett Crest / Ballantine | Collection | 191 |
| 1982 | Fifty Years of the Best Science Fiction from Analog | Davis Publications | Anthology | 187 |
| 1982 | The Best of Isaac Asimov 1954-1972 | Sphere | Collection | 32 |
| 1985 | The Best of Isaac Asimov | Fawcett Crest / Ballantine | Collection | 191 |
| July 1985 | The Edge of Tomorrow | Tor | Collection | 222 |
| 1986 | 6 Decades: The Best of Analog | Davis Publications | Anthology | 35 |
| March 1986 | The Edge of Tomorrow | Harrap | Collection | 222 |
| July 1986 | The Edge of Tomorrow | Tor | Collection | 222 |
| August 1986 | The Best Science Fiction of Isaac Asimov | Doubleday | Collection | 19 |
| 1987 | Other Worlds of Isaac Asimov | Avenel Books | Omnibus | 187 |
| 1988 | The Best Science Fiction of Isaac Asimov | Grafton | Collection | 19 |
| February 1988 | The Best Science Fiction of Isaac Asimov | Signet / New American Library | Collection | 37 |
| February 1988 | The Best Science Fiction of Isaac Asimov | Signet / New American Library of Canada | Collection | 37 |
| 1989 | Earth Is Room Enough | Grafton | Collection | 9 |
| January 1989 | The World Treasury of Science Fiction | Little, Brown / BOMC | Anthology | 503 |
| February 1989 | The World Treasury of Science Fiction | Little, Brown | Anthology | 503 |
| April 1989 | Worlds Imagined | Avenel Books | Anthology | 302 |
| June 1989 | The World Treasury of Science Fiction | Little, Brown / QPBC | Anthology | 503 |
| November 1990 | The Complete Stories, Volume 1 | Doubleday Foundation | Collection | 3 |
| November 1990 | The Complete Stories, Volume 1 | Doubleday Foundation | Collection | 3 |
| March 1991 | The Complete Stories, Volume 1 | Doubleday Foundation / SFBC | Collection | 3 |
| March 1993 | The Complete Stories, Volume 1 | HarperCollins (UK) | Collection | |
| July 1994 | The Complete Stories: Volume One | HarperCollins (UK) | Collection | 5 |
| 1997 | The Complete Stories: Volume One | HarperCollins (UK) | Collection | 5 |
| 1997 | The Complete Stories: Volume One | HarperCollins (UK) | Collection | 5 |
| March 2009 | Beyond Control | Wildside Press | Anthology | |
| November 2023 | The Complete Stories: Volume One | Harper Voyager (UK) | Collection | |5 |
| November 2024 | Living Space: And Other Stories | Harper Voyager (UK) | Collection | |5 |