Alien Invasion sci-fi books

Captain Shadow

Artifact: Old Mans Comeback

Kol's Honor: A Fated Mates Alien Romance

Entropy (First Contact)

Vanquished: A Sci-Fi Alien Warrior Romance

Vengeance: A Sci-Fi Alien Warrior Romance

Return of the Alien Warrior

Ice Planet Holiday: A SciFi Holiday Alien Romance (Ice Planet Barbarians)

How to Train Your Human Omega: An MM Alien SciFi Romance

Having the Barbarian's Baby: Ice Planet Barbarians: A Slice of Life Short Story

Sarven's Oath: A Fated Mates Alien Romance

Gold Rush (First Contact)

The War of the Worlds

The Darkening: An Apocalyptic Survival Story

The Crying of Ross 128

To Valor's Bid:

Childhood's End (Arthur C. Clarke Collection)

Gathering Strength:

The Horus Heresy: Novella Collection 1: The Horus Heresy

Proportional Response:

Tomb World: Warhammer 40,000

Covenant of Claws

Yasmin and the Yeti: A SciFi Alien Romance

Claimed by the Warlord: An Alien Warlord Fated Mates Romance

Provoked: A Sci-Fi Alien Warrior Romance

Prodigal: A Sci-Fi Alien Warrior Romance

Gold Medal Marine

Nuclear Deterrent

Last Dragon on Mars

Rok's Captive: A Fated Mates Alien Romance