| 09 | The War of the Worlds | 1898 | H. G. Wells | | alien invasion, aliens | 2022.12 | …
| 1898.09.The |
| 09 | Star Maker | 1937 | Olaf Stapledon | | aliens, space | 2022.12 | …
| 1937.09.Sta |
| 08 | Out of the Silent Planet | 1938 | C. S. Lewis | | aliens, space | 2022.12 | …
| 1938.08.Out |
| 05 | The World of Null-A | 1948 | A. E. van Vogt | | aliens, space | 2022.12 | …
| 1948.05.The |
| 09 | The Illustrated Man | 1951 | Ray Bradbury | | aliens, horror, space | 2022.12 | …
| 1951.09.The |
| 07 | The Puppet Masters | 1951 | Robert A. Heinlein | | alien invasion, aliens, horror | 2022.12 | …
| 1951.07.The |
| 05 | Mission of Gravity | 1953 | Hal Clement | | aliens, space | 2022.12 | …
| 1953.05.Mis |
| 10 | Childhood’s End | 1954 | Arthur C. Clarke | | aliens, apocalypse, dystopian | 2022.12 | …
| 1954.10.Chi |
| 05 | The Time Traders | 1958 | Andre Norton | | aliens, time travel | 2022.12 | …
| 1958.05.The |
| 10 | Starship Troopers | 1959 | Robert A. Heinlein | | aliens, military, space | 2022.12 | …
| 1959.10.Sta |
| 08 | The High Crusade | 1960 | Poul Anderson | | aliens, comedy, space | 2022.12 | …
| 1960.08.The |
| 09 | Way Station | 1963 | Clifford Simak | | aliens | 2022.12 | …
| 1963.09.Way |
| 05 | Space Opera | 1965 | Jack Vance | | aliens, mystery | 2022.12 | …
| 1965.05.Spa |
| 08 | This Immortal | 1965 | Roger Zelazny | | aliens, post-apocalyptic | 2022.12 | …
| 1965.08.Thi |
| 06 | The World of Ptavvs | 1966 | Larry Niven | | aliens, space | 2022.12 | …
| 1966.06.The |
| 07 | The White Mountains | 1967 | John Christopher | | aliens, dystopian, post-apocalyptic | 2022.12 | …
| 1967.07.The |
| 08 | City of the Chasch | 1968 | Jack Vance | | aliens, space | 2022.12 | …
| 1968.08.Cit |
| 05 | Isle of the Dead | 1969 | Roger Zelazny | | aliens, space | 2022.12 | …
| 1969.05.Isl |
| 08 | The Left Hand of Darkness | 1969 | Ursula K. Le Guin | | aliens | 2022.12 | …
| 1969.08.The |
| 06 | Children of Tomorrow | 1970 | A. E. van Vogt | | aliens, space | 2022.12 | …
| 1970.06.Chi |
| 08 | The Gods Themselves | 1972 | Isaac Asimov | | aliens, space | 2022.12 | …
| 1972.08.The |
| 04 | The Word for World is Forest | 1972 | Ursula K. Le Guin | | aliens, space | 2022.12 | …
| 1972.04.The |
| 08 | Protector | 1973 | Larry Niven | | aliens, space | 2022.12 | …
| 1973.08.Pro |
| 10 | The Forever War | 1974 | Joe Haldeman | | aliens, military, space | 2022.12 | …
| 1974.10.The |
| 08 | The Mote in God’s Eye | 1975 | Niven, Pournelle | | aliens, space | 2022.12 | …
| 1975.08.The |
| 06 | Callahan’s Crosstime Saloon | 1977 | Spider Robinson | | aliens, comedy, time travel | 2022.12 | …
| 1977.06.Cal |
| 08 | Midnight At the Well Of Souls | 1977 | Jack L. Chalker | | action, aliens, space | 2022.12 | …
| 1977.08.Mid |
| 07 | Kesrith | 1978 | C. J. Cherryh | | aliens, mystery, space | 2022.12 | …
| 1978.07.Kes |
| 06 | Titan | 1979 | John Varley | | aliens, space | 2022.12 | …
| 1979.06.Tit |
| 07 | Dragon’s Egg | 1980 | Robert L. Forward | | aliens, space | 2022.12 | …
| 1980.07.Dra |
| 08 | Sundiver | 1980 | David Brin | | aliens, mystery, space | 2022.12 | …
| 1980.08.Sun |
| 05 | Downbelow Station | 1981 | C. J. Cherryh | | aliens, space | 2022.12 | …
| 1981.05.Dow |
| 05 | Battlefield Earth | 1982 | L. Ron Hubbard | | aliens, post-apocalyptic, space | 2022.12 | …
| 1982.05.Bat |
| 06 | Armor | 1984 | John Steakley | | aliens, military | 2022.12 | …
| 1984.06.Arm |
| 08 | Contact | 1985 | Carl Sagan | | aliens, space | 2022.12 | …
| 1985.08.Con |
| 05 | Highway of Eternity | 1986 | Clifford Simak | | aliens, mystery, time travel | 2022.12 | …
| 1986.05.Hig |
| 08 | Dawn: Xenogenesis I | 1987 | Octavia Butler | | aliens, mystery, post-apocalyptic | 2022.12 | …
| 1987.08.Daw |
| 07 | The Forge of God | 1987 | Greg Bear | | aliens, apocalypse, post-apocalyptic | 2022.12 | …
| 1987.07.The |
| 08 | The Legacy of Herot | 1987 | Larry Niven, Jerry Pournelle, Steven Barnes | | aliens, horror, space | 2022.12 | …
| 1987.08.The |
| 07 | Grass | 1989 | Sheri S. Tepper | | aliens, space | 2022.12 | …
| 1989.07.Gra |
| 06 | Gap Into Conflict: The Real Story | 1990 | Stephen Donaldson | | aliens, grimdark, space | 2022.12 | …
| 1990.06.Gap |
| 08 | A Fire Upon the Deep | 1991 | Vernor Vinge | | aliens, space | 2022.12 | …
| 1991.08.A F |
| 04 | Fossil | 1993 | Hal Clement | | aliens, mystery | 2022.12 | …
| 1993.04.Fos |
| 08 | Engines of God | 1994 | Jack McDevitt | | aliens, mystery, space | 2022.12 | …
| 1994.08.Eng |
| 08 | The Engines of God | 1995 | Jack McDevitt | | aliens, mystery, space | 2022.12 | …
| 1995.08.The |
| 09 | The Reality Dysfunction | 1996 | Peter F. Hamilton | | aliens, horror, space | 2022.12 | …
| 1996.09.The |
| 08 | The Sparrow | 1996 | Mary Doria Russell | | aliens | 2022.12 | …
| 1996.08.The |
| 07 | Expendable | 1999 | James Alan Gardner | | action, aliens, space | 2022.12 | …
| 1999.07.Exp |
| 09 | Revelation Space | 2000 | Alastair Reynolds | | aliens, horror, space | 2022.12 | …
| 2000.09.Rev |
| 05 | Gridlinked | 2001 | Neal Asher | | aliens, cyberpunk, space | 2022.12 | …
| 2001.05.Gri |
| 06 | The Line of Polity | 2003 | Neal Asher | | aliens, cyberpunk, space | 2022.12 | …
| 2003.06.The |
| 10 | Pandora’s Star | 2004 | Peter F. Hamilton | | aliens, space | 2022.12 | …
| 2004.10.Pan |
| 05 | The Taking | 2004 | Dean Koontz | | aliens, horror, mystery | 2022.12 | …
| 2004.05.The |
| 10 | Old Man’s War | 2005 | John Scalzi | | aliens, military, space | 2022.12 | …
| 2005.10.Old |
| 07 | Spin | 2005 | Robert Charles Wilson | | aliens, dystopian, time travel | 2022.12 | …
| 2005.07.Spi |
| 06 | The Sky People | 2006 | S. M. Stirling | | aliens, parallel universe | 2022.12 | …
| 2006.06.The |
| 08 | The Android’s Dream | 2006 | John Scalzi | | aliens, comedy, space | 2022.12 | …
| 2006.08.The |
| 06 | Prador Moon | 2006 | Neal Asher | | aliens, military, space | 2022.12 | …
| 2006.06.Pra |
| 07 | Polity Agent | 2006 | Neal Asher | | aliens, cyberpunk, space | 2022.12 | …
| 2006.07.Pol |
| 04 | Stealing Light | 2007 | Gary Gibson | | aliens, space | 2022.12 | …
| 2007.04.Ste |
| 06 | The Dreaming Void | 2007 | Peter F. Hamilton | | aliens, space | 2022.12 | …
| 2007.06.The |
| 10 | Three Body Problem | 2008 | Liu Cixin | | aliens, mystery, space | 2022.12 | …
| 2008.10.Thr |
| 05 | Shadow of the Scorpion | 2008 | Neal Asher | | aliens, military, space | 2022.12 | …
| 2008.05.Sha |
| 07 | Line War | 2008 | Neal Asher | | aliens, cyberpunk, space | 2022.12 | …
| 2008.07.Lin |
| 07 | The Gabble And Other Stories | 2008 | Neal Asher | | aliens, cyberpunk, space | 2022.12 | …
| 2008.07.The |
| 09 | Hunter’s Run | 2009 | George R.R. Martin, Gardner Dozois, Daniel Abraham | | action, aliens, space | 2022.12 | …
| 2009.09.Hun |
| 05 | Swarm | 2010 | B.V. Larson | | aliens, military, space | 2022.12 | …
| 2010.05.Swa |
| 07 | The Technician | 2010 | Neal Asher | | aliens, artificial intelligence, space | 2022.12 | …
| 2010.07.The |
| 06 | Embassytown | 2011 | China Mieville | | aliens | 2022.12 | …
| 2011.06.Emb |
| 08 | Dark Eden | 2012 | Chris Beckett | | aliens, dystopian, mystery | 2022.12 | …
| 2012.08.Dar |
| 07 | Steel World (Undying Mercenaries) | 2013 | B.V. Larson | | aliens, military, space | 2022.12 | …
| 2013.07.Ste |
| 08 | Alien: Out of the Shadows | 2014 | | | action, aliens, horror | 2022.12 | …
| 2014.08.Ali |
| 08 | Alien: River of Pain | 2014 | | | action, aliens, horror | 2022.12 | …
| 2014.08.Ali |
| 08 | Alien: Sea of Sorrows | 2014 | | | action, aliens, horror | 2022.12 | …
| 2014.08.Ali |
| 05 | Fear the Sky | 2014 | Stephen Moss | | alien invasion, aliens, military | 2022.12 | …
| 2014.05.Fea |
| 07 | Fluency (Confluence Book 1) | 2014 | Jennifer Foehner Wells | | aliens, space | 2022.12 | …
| 2014.07.Flu |
| 07 | The Abyss Beyond Dreams | 2014 | Peter F. Hamilton | | aliens, space | 2022.12 | …
| 2014.07.The |
| 05 | The Burning Dark | 2014 | Adam Christopher | | aliens, military, space | 2022.12 | …
| 2014.05.The |
| 07 | The Rage War 1: Predator: Incursion (audiobook) | 2015 | | | action, aliens, horror | 2022.12 | …
| 2015.07.The |
| 02 | Armada | 2015 | Ernest Cline | | aliens, LitRPG, space | 2022.12 | …
| 2015.02.Arm |
| 06 | Dark orbit | 2015 | Carolyn Ives Gilman | | aliens, mystery, space | 2022.12 | …
| 2015.06.Dar |
| 06 | Not Alone | 2015 | Craig A. Falconer | | aliens, conspiracy, mystery | 2022.12 | …
| 2015.06.Not |
| 07 | Dark Intelligence | 2015 | Neal Asher | | aliens, artificial intelligence, space | 2022.12 | …
| 2015.07.Dar |
| 07 | The Rage War 2: Alien: Invasion (audiobook) | 2016 | | | action, aliens, horror | 2022.12 | …
| 2016.07.The |
| 07 | The Rage War 3: Alien vs. Predator: Armageddon (audiobook) | 2016 | | | action, aliens, horror | 2022.12 | …
| 2016.07.The |
| 07 | Columbus Day | 2016 | Craig Alanson | | aliens, military, space | 2022.12 | …
| 2016.07.Col |
| 05 | Rebel Fleet | 2016 | B.V. Larson | | aliens, military, space | 2022.12 | …
| 2016.05.Reb |
| 07 | Sleeping Giants | 2016 | Sylvain Neuvel | | aliens, mystery | 2022.12 | …
| 2016.07.Sle |
| 03 | Star Shroud | 2016 | Ken Lozito | | aliens, space | 2022.12 | …
| 2016.03.Sta |
| 07 | War Factory | 2016 | Neal Asher | | aliens, cyberpunk, space | 2022.12 | …
| 2016.07.War |
| 05 | Alien: Covenant – Origins | 2017 | | | action, aliens, horror | 2022.12 | …
| 2017.05.Ali |
| 06 | Hell’s Rejects | 2017 | M.R. Forbes | | aliens, military, space | 2022.12 | …
| 2017.06.Hel |
| 06 | Rogue Starship | 2017 | David Alastair Hayden | | aliens, artificial intelligence, space | 2022.12 | …
| 2017.06.Rog |
| 07 | Infinity Engine | 2017 | Neal Asher | | aliens, artificial intelligence, space | 2022.12 | …
| 2017.07.Inf |
| 05 | Alien: The Cold Forge | 2018 | | | action, aliens, horror | 2022.12 | …
| 2018.05.Ali |
| 04 | Planetside | 2018 | Michael Mammay | | aliens, military, space | 2022.12 | …
| 2018.04.Pla |
| 06 | The Singularity Trap | 2018 | Dennis E. Taylor | | aliens, space | 2022.12 | …
| 2018.06.The |
| 06 | Winter World | 2018 | A.G. Riddle | | aliens, apocalypse, post-apocalyptic | 2022.12 | …
| 2018.06.Win |
| 07 | The Soldier | 2018 | Neal Asher | | aliens, military, space | 2022.12 | …
| 2018.07.The |
| 05 | Alien: Isolation | 2019 | | | action, aliens, horror | 2022.12 | …
| 2019.05.Ali |
| 07 | Invasion | 2019 | M. R. Forbes | | alien invasion, aliens, military | 2022.12 | …
| 2019.07.Inv |
| 06 | The Siberian Incident | 2019 | Greig Beck | | aliens, horror, snow and ice | 2022.12 | …
| 2019.06.The |
| 05 | Aliens: Phalanx | 2020 | | | action, aliens, horror | 2022.12 | …
| 2020.05.Ali |
| 07 | To Sleep in a Sea of Stars | 2020 | Christopher Paolini | | aliens, space | 2022.12 | …
| 2020.07.To |
| 07 | The Human | 2020 | Neal Asher | | aliens, military, space | 2022.12 | …
| 2020.07.The |
| 06 | Artifact Space | 2021 | Miles Cameron | | aliens, military, space | 2022.12 | …
| 2021.06.Art |
| 09 | Shards of Earth: The Final Architecture, Book 1 | 2021 | Adrian Tchaikovsky | | aliens, space | 2022.12 | …
| 2021.09.Sha |
| 07 | Jack Four | 2021 | Neal Asher | | aliens, military, space | 2022.12 | …
| 2021.07.Jac |
| 07 | The Big Dark Sky | 2022 | Dean Koontz | | aliens, horror, mystery | 2022.12 | …
| 2022.07.The |
| 07 | Weaponized | 2022 | Neal Asher | | aliens, military, space | 2022.12 | …
| 2022.07.Wea |
