Based on your enjoyment of The Forever War” by Joe Haldeman… You're likely* to like:

* statistically, based on millions of data-points provided by fellow humans

  1. Old Man's War

    by John Scalzi
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟢🟢
    Readership: Somewhat known

    Old Man's War is about a soldier named John Perry and his exploits in the Colonial Defense Forces (CDF). The first-person narrative follows Perry's military career from CDF recruit to the rank of captain . It is set in a universe heavily populated with life forms, in which the spacegoing species compete for the scarce planets that are suitable for sustaining life. As a result, Perry must learn to fight a wide variety of aliens. The characters in Old Man's War have enhanced DNA and nanotechnology , giving them advantages in strength, speed, endurance, and situational awareness . John Perry, … (Wikipedia)

  2. Starship Troopers

    by Robert A. Heinlein
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟢⚪️
    Readership: Somewhat known

    The novel opens with Rico aboard the corvette transport Rodger Young (named after Medal of Honor recipient Rodger Wilton Young ), ,, serving with the platoon known as "Rasczak's Roughnecks". The platoon carries out a raid against a planetary colony held by Skinnies. ,, The raid is relatively brief: the platoon lands on the planet, destroys its targets, and retreats, suffering two casualties in the process. One of them, Dizzy Flores, dies while returning to orbit. ,, The narrative then flashes back to Rico's graduation from high school. Rico and his best friend Carl are considering joining the Federal Service … (Wikipedia)

  3. Forever Peace

    by Joe Haldeman
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟢🟢
    Readership: Very niche

    Though its title is similar to ,The Forever War, and both novels deal with soldiers in the future, Forever Peace is not a direct sequel, and takes place on a different future of Earth in the year 2048. Using remotely controlled robots called "soldierboys" (which are nearly invincible), the Alliance military fights third world guerrillas in an endless series of economy-driven wars. As only first world nations possess the nanoforge technology that can produce anything from basic materials, conflict is largely asymmetric . The novel is told partly in first-person narration by the main character, Julian Class, and partly by … (Wikipedia)

  4. The Foundation Trilogy

    by Isaac Asimov
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟢🟡
    Readership: Eclectic

    A THOUSAND-YEAR EPIC, A GALACTIC STRUGGLE, A MONUMENTAL WORK IN THE ANNALS OF SCIENCE FICTION FOUNDATION begins a new chapter in the story of man's future. As the Old Empire crumbles into barbarism throughout the million worlds of the galaxy, Hari Seldon and his band of psychologists must create a new entity, the Foundation-dedicated to art, science, and technology-as the beginning of a new empire. FOUNDATION AND EMPIRE describes the mighty struggle for power amid the chaos of the stars in which man stands at the threshold of a new enlightened life which could easily be destroyed by the old … (Goodreads)

  5. World War Z: An Oral History of the Zombie War

    by Max Brooks
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟡⚪️⚪️
    Readership: Popular

    It has been nearly twenty years since the start of the apocalyptic worldwide pandemic known as the Zombie War, and about ten years since the war has ended in humanity's victory. The framing device for the novel follows "Max Brooks", author of the Zombie Survival Guide (referred to simply as "the civilian survival guide" in this book) and agent of the United Nations Postwar Commission, as he travels the world interviewing survivors of this zombie plague. The exact origin of the zombie plague is unknown, but the first cases of what became the global pandemic began in China . It … (Wikipedia)

  6. Second Foundation

    by Isaac Asimov
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢⚪️⚪️
    Readership: Somewhat known

    Part I is about The Mule 's search for the elusive Second Foundation, with the intent of destroying it. The executive council of the Second Foundation is aware of The Mule's intent and, in the words of the First Speaker , allows him to find it—"in a sense". The Mule sends two of his men on a search for the Second Foundation: Han Pritcher, who had once been a captain and a member of the underground opposition prior to being Converted to the Mule's service, and Bail Channis , an "Unconverted" man (one that hasn't been mind-manipulated by the Mule … (Wikipedia)

  7. Hyperion

    by Dan Simmons
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢⚪️⚪️
    Readership: Somewhat known

    In the 29th century, the Hegemony of Man comprises hundreds of planets connected by farcaster portals. The Hegemony maintains an uneasy alliance with the TechnoCore , a civilisation of AIs . Modified humans known as Ousters live in space stations between stars and are engaged in conflict with the Hegemony. Numerous "Outback" planets have no farcasters and cannot be accessed without incurring significant time dilation . One of these planets is Hyperion, home to structures known as the Time Tombs, which are moving backwards in time and guarded by a legendary creature known as the Shrike . On the eve … (Wikipedia)

  8. Snow Crash

    by Neal Stephenson
    Quality: 🟢🟢🟢🟡
    Affinity: 🟢🟡⚪️⚪️
    Readership: Fairly popular

    Hiro Protagonist is a hacker and pizza delivery driver for the Mafia. He meets Y.T. (short for Yours Truly), a young skateboard Kourier ( courier ) who refers to herself in the third person , during a failed attempt to make a delivery on time. Y.T. completes the delivery on his behalf and they strike up a partnership, gathering intel and selling it to the CIC, the for-profit organization that evolved from the CIA's merger with the Library of Congress. Within the Metaverse, Hiro is offered a datafile named Snow Crash by a man named Raven who hints that it … (Wikipedia)

  9. Neuromancer

    by William Gibson
    Quality: 🟢🟢🟢🟡
    Affinity: 🟢🟡⚪️⚪️
    Readership: Fairly popular

    Henry Dorsett Case is a low-level hustler in the dystopian underworld of Chiba City , Japan. Once a talented computer hacker , Case was caught stealing from his employer. As punishment for his theft, Case's central nervous system was damaged with a mycotoxin , leaving him unable to access the global computer network in cyberspace , a virtual reality dataspace called the "matrix". Case is unemployable, suicidal, and apparently at the top of the hit list of a drug lord named Wage. Case is saved by Molly Millions , an augmented "street samurai" and mercenary for a shadowy US ex-military … (Wikipedia)

  10. A Canticle for Leibowitz

    by Walter M. Miller Jr.
    Quality: 🟢🟢🟢🟡
    Affinity: 🟢🟢🟡⚪️
    Readership: Eclectic

    After 20th century civilization was destroyed by a global nuclear war , known as the "Flame Deluge", there was a violent backlash against the culture of advanced knowledge and technology that had led to the development of nuclear weapons. During this backlash, called the "Simplification", anyone of learning, and eventually anyone who could even read, was likely to be killed by rampaging mobs, who proudly took on the name of "Simpletons". Illiteracy became almost universal, and books were destroyed en masse. Isaac Edward Leibowitz had been a Jewish electrical engineer working for the United States military. Surviving the war, he … (Wikipedia)

  11. Shadow & Claw

    by Gene Wolfe
    Quality: 🟢🟢🟢🟡
    Affinity: 🟢🟢🟢🟢
    Readership: Very niche

    Severian , an apprentice in the torturers' guild, barely survives a swim in the River Gyoll. On his way back to the Citadel (whose towers appear to be disused rockets), Severian and several other apprentices sneak into a Necropolis where Severian first encounters Vodalus, an aristocrat who is the Commonwealth's leading revolutionary. Vodalus, along with a noblewoman named Thea and a servant named Hildegrin, are robbing a grave. Vodalus and his companions are attacked by volunteer guards. Severian saves Vodalus's life, earning his trust and the reward of a single "gold" coin. Later Severian rescues a fighting dog that has … (Wikipedia)

  12. Consider Phlebas

    by Iain M. Banks
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟡⚪️
    Readership: Eclectic

    The war raged across the galaxy. Billions had died, billions more were doomed. Moons, planets, the very stars themselves, faced destruction, cold-blooded, brutal, and worse, random. The Idirans fought for their Faith; the Culture for its moral right to exist. Principles were at stake. There could be no surrender. Within the cosmic conflict, an individual crusade. Deep within a fabled labyrinth on a barren world, a Planet of the Dead proscribed to mortals, lay a fugitive Mind. Both the Culture and the Idirans sought it. It was the fate of Horza, the Changer, and his motley crew of unpredictable mercenaries, … (Goodreads)

  13. The Ghost Brigades

    by John Scalzi
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟡⚪️
    Readership: Eclectic

    The Colonial Defense Forces (CDF) learn that one of their top consciousness transfer scientists, Charles Boutin, has turned traitor and sparked an unprecedented alliance between three other species to wipe out humanity. While investigating Boutin's clumsy attempt to fake his own death, the CDF discovers that Boutin had successfully stored a copy of his consciousness in a computer. The colonial Special Forces, nicknamed "The Ghost Brigades," create a CDF soldier body with Boutin's DNA to try to implant the copy of Boutin's consciousness into the new brain, to learn where Boutin has escaped to and what his intentions really are. … (Wikipedia)

  14. Foundation

    by Isaac Asimov
    Quality: 🟢🟢🟢🟡
    Affinity: 🟢⚪️⚪️⚪️
    Readership: Popular

    For twelve thousand years the Galactic Empire has ruled supreme. Now it is dying. But only Hari Seldon, creator of the revolutionary science of psychohistory, can see into the future -- to a dark age of ignorance, barbarism, and warfare that will last thirty thousand years. To preserve knowledge and save mankind, Seldon gathers the best minds in the Empire -- both scientists and scholars -- and brings them to a bleak planet at the edge of the Galaxy to serve as a beacon of hope for a future generations. He calls his sanctuary the Foundation. But soon the fledgling … (Goodreads)

  15. Sword & Citadel

    by Gene Wolfe
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟢🟢
    Readership: Very niche

    Severian , an apprentice in the torturers' guild, barely survives a swim in the River Gyoll. On his way back to the Citadel (whose towers appear to be disused rockets), Severian and several other apprentices sneak into a Necropolis where Severian first encounters Vodalus, an aristocrat who is the Commonwealth's leading revolutionary. Vodalus, along with a noblewoman named Thea and a servant named Hildegrin, are robbing a grave. Vodalus and his companions are attacked by volunteer guards. Severian saves Vodalus's life, earning his trust and the reward of a single "gold" coin. Later Severian rescues a fighting dog that has … (Wikipedia)

  16. The Moon Is a Harsh Mistress

    by Robert A. Heinlein
    Quality: 🟢🟢🟢🟡
    Affinity: 🟢🟢⚪️⚪️
    Readership: Somewhat known

    In 2075, the Moon (Luna) is used as a penal colony by Earth's government, with three million inhabitants (called "Loonies") living in underground cities. Most Loonies are criminals, political exiles, or their descendants, and men outnumber women two to one, so that polyandry and many forms of polygamy are the norm. Due to the low surface gravity of the Moon, people who stay longer than six months undergo "irreversible physiological changes" and can never again live comfortably under normal gravity , making escape back to Earth impractical. Although the Earth-appointed "Warden" holds power through the Lunar Authority, his only real … (Wikipedia)

  17. A Fire Upon the Deep

    by Vernor Vinge
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟡⚪️
    Readership: Eclectic

    An expedition from Straumli Realm, an ambitious young human civilization in the high Beyond, investigates a five-billion-year-old data archive in the low Transcend that offers the possibility of unimaginable riches. The expedition's facility, High Lab, is gradually compromised by a dormant superintelligence within the archive later known as the Blight. However, shortly before the Blight's final "flowering", two self-aware entities created similarly to the Blight plot to aid the humans before the Blight can escape. Recognizing the danger of what they have awakened, the researchers at High Lab attempt to flee in two ships, one carrying all the adults and … (Wikipedia)

  18. The Mote in God's Eye

    by Larry Niven
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟡⚪️
    Readership: Eclectic

    In the year AD 3017, humanity is slowly recovering from an interstellar civil war that tore apart the first Empire of Man. The Second Empire is busy establishing control over the remnants of its predecessor, by force if necessary. After a rebellion on the planet New Chicago is quashed, Captain Bruno Cziller of the Imperial battlecruiser INSS MacArthur remains behind as Chief of Staff to the new governor, while Commander Roderick Blaine is given temporary command of the ship, along with secret orders to take Horace Hussein Bury, a powerful interstellar merchant suspected of instigating the revolt, to the Imperial … (Wikipedia)

  19. Childhood's End

    by Arthur C. Clarke
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟡⚪️⚪️
    Readership: Somewhat known

    The novel is divided into three parts, following a third-person omniscient narrative with no main character. ,, In some editions, the short first chapter is a separate prologue rather than the beginning of the first part. In the late 20th century, the United States and the Soviet Union are competing to launch the first spacecraft into orbit, for military purposes . When vast alien spaceships suddenly position themselves above Earth's principal cities, the space race ceases. After one week, the aliens announce they are assuming supervision of international affairs, to prevent humanity's extinction. They become known as the Overlords. In … (Wikipedia)

  20. 2001: A Space Odyssey

    by Arthur C. Clarke
    Quality: 🟢🟢🟢🟡
    Affinity: 🟢⚪️⚪️⚪️
    Readership: Fairly popular

    A mysterious alien civilization uses a tool with the appearance of a large crystalline monolith to investigate worlds across the galaxy and, if possible, to encourage the development of intelligent life. The book shows one such monolith appearing in prehistoric Africa, 3 million years ago (in the movie, 4 mya), where it inspires a starving group of hominids to develop tools. The hominids use their tools to kill animals and eat meat, ending their starvation. They then use the tools to kill a leopard preying on them; the next day, the main ape character, Moon-Watcher, uses a club to kill … (Wikipedia)