Important

• When Breath Becomes Air by Paul Kalanithi
• Things Fall Apart by Chinua Achebe
• Night by Elie Wiesel
• Here Is New York by E. B. White
• Cry, The Beloved Country by Alan Paton
• Invisible Man by Ralph Ellison

Great

• Man's Search for Meaning by Viktor E. Frankl
• Slaughterhouse-Five by Kurt Vonnegut
• The Prophet by Khalil Gibran
• Heart of Darkness by Joseph Conrad
• All The Light We Cannot See by Anthony Doerr
• Miss Lonelyhearts by Nathanael West
• Hiroshima by John Hersey
• The House of God by Samuel Shem

Sci-Fi Favorites

• Hyperion (Hyperion Cantos Series #1) by Dan Simmons
• The Fall of Hyperion (Hyperion Cantos Series #2) by Dan Simmons
• The Three Body Problem (Rememberance of Earth's Past #1) by Cixin Liu
• The Dark Forest (Rememberance of Earth's Past #2) by Cixin Liu
• A Fire Upon the Deep by Vernor Vinge
• The Martian by Andy Weir
• Brave New World by Aldoux Huxley
• The Caves of Steel (Robot Series #1) by Isaac Asimov
• Prey by Michael Crichton
• Blindsight by Peter Watts

Sci-Fi Canon

• The Hitchhiker's Guide to the Galaxy by Douglas Adams
• Dune by Frank Herbet^🚀🌠
• Ender's Game by Orson Scott Card^🚀🌠
• The War of the Worlds by H.G. Wells
• Foundation by Isaac Asimov
• The Martian Chronicles by Ray Bradbury
• Neuromancer by William Gibson^🚀🌠

Sci-Fi Subgenres

Cyberpunk

• Altered Carbon (Takeshi Kovacs #1) by Richard Morgan
• Broken Angels (Takeshi Kovacs #2) by Richard Morgan
• Woken Furies (Takeshi Kovacs #3) by Richard Morgan
• Snow Crash by Neal Stephenson
• Network Effect by Martha Wells

Feminist Sci-Fi

• The Left Hand of Darkness by Ursula K. Le Guin^🚀🌠

Military Sci-Fi

• The Forever War by Joe Haldeman^🚀🌠

Space Opera

• A Fire Upon the Deep by Vernor Vinge^🚀🌠
• Ancillary Justice by Ann Leckie^🚀🌠

First Contact

• Roadside Picnic by Arkady and Boris Strugatsky
• Ringworld by Larry Niven^🚀🌠
• Rendezvous with Rama by Arthur C. Clarke^🚀🌠

Post Scarcity

• Down and Out in the Magic Kingdom by Cory Doctorow

Sci-Fi Short Stories

• Exhalation by Ted Chiang

Sci-Fi Historical Fiction

• The Calculating Stars Justice by Mary Robinette Kowal^🚀🌠

Sci-Fi "Big Three" Authors

• I, Robot (Robot Series #0) by Isaac Asimov
• The Caves of Steel (Robot Series #1) by Isaac Asimov
• The Naked Sun (Robot Series #2) by Isaac Asimov
• The Robots of Dawn (Robot Series #3) by Isaac Asimov

Science Nonfiction

• The Selfish Gene by Richard Dawkings
• A Brief History of Time by Stephen Hawking
• Soonish: Ten Emerging Technologies That'll Improve and/or Ruin Everything by Zach and Kelly Weinersmith
• We Are All Stardust by Stefan Klein

Technothriller

• The Andromeda Strain by Michael Crichton
• Timeline by Michael Crichton
• Micro by Michael Crichton
• Congo by Michael Crichton
• Sphere by Michael Cricthon
• Timeline by Michael Crichton

Dystopian

• Brave New World by Aldoux Huxley
• 1984 by George Orwell
• Animal Farm by George Orwell
• The Giver by Lois Lowry
• We by Yevgeny Zamyatin
• Fahrenheit 451 by Ray Bradbury
• A Clockwork Orange by Anthony Burgess
• The Man in the High Castle by Philip K Dick

Post Apocalyptic

• The Postman by David Brin
• One Second After by William Forstchen
• The Mayflower Project by Katherine Applegate

Medical

• The Emperor of All Maladies by Siddhartha Mukherjee

Miscellaneous

Fantasy

• The Name of the Wind by Patrick Rothfuss

Survival

• Hatchet by Gary Paulsen

Short Story

• The Shawl by Cynthia Ozick

Memoir

• Just Kids by Patti Smith

Children's

• The Phantom Tollbooth by Norton Juster