Hard Science Fiction

Jack the Bodiless

By Julian May

The Forever War: The science fiction classic and thought-provoking critique of war

By Joe Haldeman

Mappalujo

By Jeff Noon, Steve Beard

Blood Music

By Greg Bear

WATCHERS

By Dean Koontz

Prelude to Foundation

By ISAAC ASIMOV

Cosmonaut Keep: Engines of Light: Book One

By Ken MacLeod

Mona Lisa Overdrive

By William Gibson

Absorption

By John Meaney

This Perfect Day: Introduction by Jonathan Trigell

By Ira Levin

Green Mars

By Kim Stanley Robinson

Adrift: The epic of survival and adventure in deep space

By Rob Boffard

Mother of Storms

By John Barnes

The Female Man

By Joanna Russ

2089

By Miles M Hudson

Cage of Souls: Shortlisted for the Arthur C. Clarke Award 2020

By Adrian Tchaikovsky

Uplift: The Complete Original Trilogy

By David Brin

A Deepness in the Sky

By Vernor Vinge

Ringworld (A Del Rey book): A Novel

By Niven, Larry

Big Town

By Doug J. Swanson

Semiosis: A novel of first contact

By Sue Burke

Proxima

By Stephen Baxter

Cities In Flight

By James Blish

The Rediscovery of Man

By Cordwainer Smith

Nemesis Games

By James S A Corey

Season of Skulls: Book 3 of the New Management, a series set in the world of the Laundry Files

By Charles Stross

The Invincible (The MIT Press)

By Stanislaw Lem, N. Katherine Hayles, Bill Johnston

Cibola Burn

By James S A Corey

Millennium People

By Ballard, J. G.

A Case Of Conscience

By James Blish