Recommendations based on The Integral Treesby Larry Niven

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

  1. Ringworld

    by Larry Niven
    A sci-fi adventure to an artificial ring-shaped world, full of unexpected challenges.

    On planet Earth in 2850 AD , Louis Gridley Wu is celebrating his 200th birthday. Despite his age, Louis is in perfect physical condition due to the longevity drug boosterspice . He meets Nessus , a ... (Wikipedia)

  2. The Ringworld Engineers

    by Larry Niven
    A team of explorers return to the Ringworld to fix its failing systems, but they uncover a dangerous secret.

    The Hindmost, recently deposed leader of the Puppeteers , abducts the human Louis Wu (who has become a wirehead ) and kzin Chmeee (previously known as "Speaker-to-Animals"). Both had been part of the ... (Wikipedia)

  3. The Mote in God's Eye

    by Larry Niven
    A journey of first contact between the human race and an alien species.

    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 ... (Wikipedia)

  4. Beyond the Blue Event Horizon

    by Frederik Pohl
    A group of humans and aliens travel to a distant planet in search of a mysterious alien artifact.

    In Book Two of the Heechee Saga, Robinette Broadhead is on his way to making a fortune by bankrolling an expedition to the Food Factory–a Heechee spaceship that can graze the cometary cloud and ... (Goodreads)

  5. Citizen of the Galaxy

    by Robert A. Heinlein
    A young slave's journey to find his place in a chaotic galaxy, discovering the power of friendship and freedom.

    The novel is set in the future when the human race has developed interstellar spaceflight and is engaged in trade with a number of alien races. However human slavery has reappeared on some planets. ... (Wikipedia)

  6. Grass

    by Sheri S. Tepper
    A dystopian fable of a future world, where the grass is literally alive and conscious.

    Generations ago, humans fled to the cosmic anomaly known as Grass. But before humanity arrived, another species had already claimed Grass for its own. It too had developed a culture. Now, a deadly ... (Wikipedia)

  7. The City and the Stars

    by Arthur C. Clarke
    In the distant future, a lone human discovers a forgotten city and the secrets of an advanced civilization.

    Clarke's masterful evocation of the far future of humanity, considered his finest novel. Men had built cities before, but never such a city as Diaspar. For millennia its protective dome shut out the ... (Goodreads)

  8. Gateway

    by Frederik Pohl
    A space exploration journey to a far-off galaxy, with a mission to discover the secrets of an ancient alien race.

    Gateway is a space station built into a hollow asteroid constructed by the Heechee , a long-vanished alien race. Humans have had limited success understanding Heechee technology found there and ... (Wikipedia)

  9. Leviathan Wakes

    by James S.A. Corey
    Space adventure of two unlikely allies in a fight to save humanity.

    The ice hauling ship Canterbury (nicknamed the Cant by Belters) is en route from Saturn's Rings to Ceres Station when it encounters a distress signal . Five members of the Cant 's crew are dispatched ... (Wikipedia)

  10. Eon

    by Greg Bear
    A mysterious asteroid appears near Earth, and a team is sent to investigate. They discover a complex alien structure and a dangerous power struggle.

    The 21st century was on the brink of nuclear confrontation when the 300 kilometer-long stone flashed out of nothingness and into Earth's orbit. NASA, NATO, and the UN sent explorers to the asteroid's ... (Goodreads)

  11. 2001: A Space Odyssey

    by Arthur C. Clarke
    An interstellar journey of exploration, confronting humanity's place in the universe.

    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 ... (Wikipedia)

  12. Falling Free

    by Lois McMaster Bujold
    A group of genetically engineered humans, designed for zero gravity work, fight for their freedom and identity.

    The novel is set about 200 years before the birth of Miles Vorkosigan , the protagonist of much of the Vorkosigan series. It deals with the creation of the "Quaddies", genetically modified people who ... (Wikipedia)

  13. Redshirts

    by John Scalzi
    A group of space explorers uncover an unlikely conspiracy while on a mission to an alien planet.

    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 ... (Wikipedia)

  14. The Time Machine

    by H.G. Wells
    A scientist travels through time, discovering the future of mankind.

    The book's protagonist is a Victorian English scientist and gentleman inventor living in Richmond , Surrey , identified by a narrator simply as the Time Traveller . Similarly, with but one exception ... (Wikipedia)

  15. Dirk Gently's Holistic Detective Agency

    by Douglas Adams
    An eccentric detective's surreal journey through time and space to solve a mysterious case.

    Richard MacDuff attends the Coleridge dinner at his old college St Cedd's , where he witnesses his former tutor, Professor Urban "Reg" Chronotis , perform an inexplicable magic trick in which he ... (Wikipedia)

  16. Trumps of Doom

    by Roger Zelazny
    Epic fantasy story of a man's fight against a powerful evil, to restore peace and justice.

    Merlin has spent the last several years on Earth learning computer science while building Ghostwheel, a trump- and pattern -based computer, elsewhere in Shadow. Having completed his project, he ... (Wikipedia)

  17. The Warrior's Apprentice

    by Lois McMaster Bujold
    A young man's journey to becoming a leader, navigating the treacherous waters of space warfare.

    When Miles Vorkosigan is disqualified from joining the Barrayaran Imperial Service Academy because he broke both his legs during the initial physical entrance exams, he sets about trying to prove ... (Wikipedia)

  18. Nightfall and Other Stories

    by Isaac Asimov
    Sci-fi collection exploring the wonders of science, technology and humanity.

    A collection of early Asimov short stories, showcasing the development of the author's oeuvre. The title comes from Asimov's breakthrough short story. CONTENTS: Nightfall - Astounding, Sept 1941 ... (Goodreads)

  19. Nemesis

    by Isaac Asimov
    A thrilling sci-fi adventure with a gripping mystery, set in a distant future.

    The novel is set in an era in which interstellar travel is in the process of being discovered and perfected. In Chapter 2, the novel states that the year 2220 was 16 years ago. Accordingly, the bulk ... (Wikipedia)

  20. Anathem

    by Neal Stephenson
    A philosophical novel set in a monastic society, exploring the limits of knowledge.

    Anathem is set on the fictional planet of Arbre. Thousands of years before the events in the novel, the planet's intellectuals entered concents ( monastic communities) to protect their activities ... (Wikipedia)

  21. The Forever War

    by Joe Haldeman
    A soldier's story of the horror of war and its consequences in the far future.

    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 ... (Barnes & Noble)

  22. The Dragonriders of Pern

    by Anne McCaffrey
    Epic fantasy of a future world, with humans and dragons in a fight for survival.

    Alternate cover edition can be found, here,. Finally together in one volume, the first three books in the world's most beloved science fiction series, THE DRAGONRIDERS OF PERN, by Anne McCaffrey, one ... (Goodreads)

  23. Lieutenant Hornblower

    by C.S. Forester
    An adventurous naval officer navigates the dangerous high seas of the Napoleonic Wars.

    William Bush , who becomes Hornblower's faithful companion and best friend, is introduced boarding HMS, Renown, as the third lieutenant . Hornblower is the fifth and most junior lieutenant. It is ... (Wikipedia)

  24. The Android's Dream

    by John Scalzi
    A diplomat embarks on a mission to save humanity from an interstellar war.

    A human diplomat kills his alien counterpart. Earth is on the verge of war with a vastly superior alien race. A lone man races against time and a host of enemies to find the one object that can save ... (Goodreads)

  25. Barrayar

    by Lois McMaster Bujold
    A woman's journey of self-discovery as she navigates the rules and expectations of her home planet.

    Cordelia and Aral Vorkosigan are expecting their first child. Before crafty old Emperor Ezar Vorbarra died, he maneuvered a very reluctant Aral into agreeing to serve as regent for Ezar's young ... (Wikipedia)

  26. Stand on Zanzibar

    by John Brunner
    A dystopian novel set in a future where overpopulation and societal breakdown lead to chaos and violence.

    Norman Niblock House is a rising executive at General Technics, one of a few all-powerful corporations. His work is leading General Technics to the forefront of global domination, both in the ... (Goodreads)

  27. The Postman

    by David Brin
    A postman's struggles to rebuild civilization in a post-apocalyptic wasteland.

    Despite the post-apocalyptic scenario and several action sequences, the book is largely about civilization and its symbols. Each of the three sections deals with a different symbol. The first is the ... (Wikipedia)

  28. Starship Troopers

    by Robert A. Heinlein
    A futuristic military drama, exploring the consequences of war and human nature.

    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 ... (Wikipedia)

  29. Red Mars

    by Kim Stanley Robinson
    Colonists brave the harsh landscapes of Mars, striving to make the planet their new home.

    Red Mars starts in 2026 with the first colonial voyage to Mars aboard the Ares , the largest interplanetary spacecraft ever built and home to a crew who are to be the first hundred Martian colonists. ... (Wikipedia)

  30. Imajica

    by Clive Barker
    A man embarks on an epic journey to discover the hidden truths of the universe.

    The novel opens with a man, Charlie Estabrook, hiring the mysterious assassin Pie'oh'pah to murder his estranged wife, Judith. Pie heads to New York and makes an attempt on Judith's life, but fails. ... (Wikipedia)