First Contact sci-fi books

Head of the Class: A LitRPG Adventure

Obelisk

The Complete Hitchhiker's Guide to the Galaxy Boxset: Guide to the Galaxy / The Restaurant at the End of the Universe / Life, the Universe and ... and Thanks for all the Fish / Mostly Harmless

The Humans: A Novel

Roping Her Alien Ranchers: A Cozy Why Choose SciFi Romance Standalone

The Long Game (The Far Reaches collection)

Alien Survivor

Expansion

Manifest Fantasy

Weight of Victory

The Old Breed (Road to Babylon 21)

I, Starship: A Space Opera

The Iron Fleet: Books 1-3 (An Epic Military Science Fiction Box Set)

The Dungeon Anarchist's Cookbook

Hyperion

The Left Hand of Darkness

Throne of Jade

A Desolation Called Peace

So Long, and Thanks for All the Fish

Visitors: A Chilling Alien Invasion Thriller

Speaker for the Dead

Allotropes (an Ell Donsaii story #8)

DNA (an Ell Donsaii story #13)

Black Swan 1: A First Contact Science Fiction Thriller (Black Swan Event)

The War of the Worlds (AmazonClassics Edition)

Contract to Mate: Sci-fi Possessive Monster Romance Book in Space (Smutt Books Short Alien Romance 1)

The Host: A Novel

Worlds of Exile and Illusion: Three Complete Novels of the Hainish Series in One Volume—Rocannon's World; Planet of Exile; City of Illusions

THUNDER IN 1519

Revelation Space (Volume 1) (The Inhibitor Trilogy, 1)