Based on your enjoyment of Old Man's War” by John Scalzi… You're likely* to like:

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

  1. 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)

  2. The Forever War

    by Joe Haldeman
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟢🟢
    Readership: Somewhat known

    ,The monumental Hugo and Nebula award winning SF classic— Featuring a new introduction by John Scalzi,,,,,The Earth's leaders have drawn a line in the interstellar sand—despite the fact that the fierce alien enemy they would oppose is inscrutable, unconquerable, and very far away. A reluctant conscript drafted into an elite Military unit, Private William Mandella has been propelled through space and time to fight in the distant thousand-year conflict; to perform his duties and do whatever it takes to survive the ordeal and return home. But "home" may be even more terrifying than battle, because, thanks to the time dilation … (Barnes & Noble)

  3. Redshirts

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

    In the prologue, several senior officers of the Intrepid , flagship of the Universal Union, lament the unusually high number of casualties of low-ranking crew members during recent away missions and conclude that they will need more crewmen to replace them. Docking at a spaceport, the Intrepid takes on five new ensigns including Andrew Dahl, an expert in alien religions and xenobiology ; Dahl quickly discerns that the crew is extremely phobic of being near the senior officers and of going on away missions due to their unusually high fatality rate. Over the course of several away missions, various crew … (Wikipedia)

  4. 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)

  5. The Collapsing Empire

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

    The Interdependency is a thousand-year-old human empire of 48 star systems connected by the Flow, a network of "streams" allowing faster-than-light travel . Each stream is one way and has an entry point and an exit point. There is no faster-than-light communication faster than the Flow, and interstellar trips are not instantaneous—ships carrying mail or passengers from Hub, the capital of the empire and the system with the most Flow connections, arrive at End, the most distant, nine months later—but the network permits life-sustaining intersystem trade. As a natural phenomenon, the Flow is poorly understood; Earth disconnected from the network … (Wikipedia)

  6. Zoe's Tale

    by John Scalzi
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟢🟢
    Readership: Very niche

    How do you tell your part in the biggest tale in history? I ask because it's what I have to do. I'm Zoe Boutin Perry: A colonist stranded on a deadly pioneer world. Holy icon to a race of aliens. A player (and a pawn) in a interstellar chess match to save humanity, or to see it fall. Witness to history. Friend. Daughter. Human. Seventeen years old. Everyone on Earth knows the tale I am part of. But you don't know my tale: How I did what I did — how I did what I had to do — not … (Goodreads)

  7. 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)

  8. Dauntless

    by Jack Campbell
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟢🟢
    Readership: Very niche

    John 'Black Jack' Geary has recently been rescued from a 100-year-old escape pod with a damaged beacon. He was the commanding officer of an early battle in what has become a century-old war between the Syndicate Worlds and the Alliance. His last actions in that battle led to his immortalization as a hero of the Alliance people and fleet, which by the time of the book has become blown out of proportion. Still feeling weak from being frozen for 100 years, Geary arrives at what is supposed to be a decisive battle for the Alliance against the Syndicate. The battle … (Wikipedia)

  9. 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)

  10. Death Masks

    by Jim Butcher
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟡⚪️
    Readership: Somewhat known

    Harry shares a TV panel with a Vatican priest, Father Vincent, and São Paulo University Professor Don Paolo Ortega , a disguised Red Court Vampire noble. Father Vincent hires Dresden to recover the stolen Shroud of Turin while Ortega challenges Harry to a duel to end the war between the White Council and the Red Court. After the show concludes, Dresden is attacked by the Denarian Ursiel, a fallen angel attached to a mortal host. Michael Carpenter and two other Knights of the Cross, Shiro and Sanya , rescue him and ask him to drop the Shroud investigation, but Dresden … (Wikipedia)

  11. The Consuming Fire

    by John Scalzi
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟢🟢
    Readership: Very niche

    Following the events of The Collapsing Empire, End is now isolated from Hub as the result of a Flow shoal breakdown. Seeking to unite the population of the Interdependency behind an agenda to get ahead of the coming collapse of Flow-supported space travel, Grayland II (Cardenia Wu-Patrick) claims, in her capacity as head of the Church of the Interdependency, to have had visions affirming the need to plan for the collapse. This causes religious disquiet in the church, and political intrigue from the House of Nohamapetan and the House of Wu with the aim of claiming the throne from Grayland … (Wikipedia)

  12. 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)

  13. The Last Emperox

    by John Scalzi
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟢🟢
    Readership: Very niche

    With news spreading of the predicted total collapse of the Flow streams connecting the star systems of the Interdependency and the unavoidable resulting fall of the empire, the Interdependency system of End has become crucial as the only one with a planet able to sustain life outside of a closed habitat. The disgraced House of Nohamapetan has taken control of End and blockaded its only remaining incoming Flow stream to maximize power and profits for their House and to prevent an unsustainable surge of billions of refugees to the planet. Back in the Hub planet system, Emperox Grayland II consults … (Wikipedia)

  14. The Last Colony

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

    Retired from his fighting days, John Perry is now village ombudsman for a human colony on distant Huckleberry. With his wife, former Special Forces warrior Jane Sagan, he farms several acres, adjudicates local disputes, and enjoys watching his adopted daughter grow up. That is, until his and Jane's past reaches out to bring them back into the game--as leaders of a new human colony, to be peopled by settlers from all the major human worlds, for a deep political purpose that will put Perry and Sagan back in the thick of interstellar politics, betrayal, and war. … (Goodreads)

  15. 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)

  16. All Systems Red

    by Martha Wells
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢⚪️⚪️
    Readership: Somewhat known

    "As a heartless killing machine, I was a complete failure." In a corporate-dominated spacefaring future, planetary missions must be approved and supplied by the Company. Exploratory teams are accompanied by Company-supplied security androids, for their own safety. But in a society where contracts are awarded to the lowest bidder, safety isn’t a primary concern. On a distant planet, a team of scientists are conducting surface tests, shadowed by their Company-supplied ‘droid — a self-aware SecUnit that has hacked its own governor module, and refers to itself (though never out loud) as “Murderbot.” Scornful of humans, all it really wants is … (Goodreads)

  17. 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)

  18. The Way of Kings

    by Brandon Sanderson
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢⚪️⚪️⚪️
    Readership: Popular

    The story rotates between the points of view of Kaladin, Shallan Davar, Szeth-son-son-Vallano, Dalinar Kholin, and several other minor characters, who lead seemingly unconnected lives. Szeth, a Shin man cast out by his people and condemned to obey his constantly changing masters, is sent to assassinate the king of one of the world's most powerful nations, Alethkar. As the story progresses, he continuously changes hands, doing his best to hide the fact that he possesses an Honorblade, a mythical blade used by the Heralds that can cut through any material. He also possesses access to powers that are no longer … (Wikipedia)

  19. Ancillary Justice

    by Ann Leckie
    Quality: 🟢🟢🟡⚪️
    Affinity: 🟢🟢🟡⚪️
    Readership: Eclectic

    On a remote, icy planet, the soldier known as Breq is drawing closer to completing her quest. Once, she was the Justice of Toren - a colossal starship with an artificial intelligence linking thousands of soldiers in the service of the Radch, the empire that conquered the galaxy. Now, an act of treachery has ripped it all away, leaving her with one fragile human body, unanswered questions, and a burning desire for vengeance. … (Goodreads)

  20. 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)