Alien Invasion sci-fi books

The Peace Child

Remnant

Call Me Ares

Overgrowth

Titan War

Off Midway Station

The Mercy of Gods

Point Nemo

Gods and Men (Ruins of the Earth Series Book 2)

Starship Troopers

Halo: The Fall of Reach

The Age of Asteroids

Invasion of the Onion Heads

Outpost

Glory's People

Door Number Three

Demon Moon

Ambassador of Progress

Rocannon's World

Tama of the Light Country

Woman from Another Planet

Three to Conquer

Survival of the Fittest: A Military Sci-Fi Series

Cursed Alien: An Alien Shifter Romance (Alien Wolf Tales)

Janissary Commander: A Science Fiction LitRPG Novel

The Host: A Novel

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

Small Town Holiday Mate: A high-heat heart-forward sci-fi xhistmas romance (Smutt Books Short Alien Romance Book 4)

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

Echo Flight