S. P. Meek: GIANTS ON THE EARTH

The Time Traders II: The Defiant Agents and Key Out of Time

EMPIRE: A Powerful Novel of Intrigue and Action in the Not-So-Distant Future

Jack Williamson: Salvage in Space: To Thad Allen, meteor miner, comes the dangerous bonanza of a derelict rocket-flier manned by death invisible.

The Call From Beyond: Alone, accursed, he set out on the long, dark voyage to the forbidden gateway to worlds beyond life itself—restless forever with an ultimate knowledge, possessing which no man could die! -

Star Flight

Storm Over Warlock

The Time Traders

Poul Anderson: INSIDE EARTH: Obviously, no conqueror wants his subjects to revolt against his rule. Obviously? This one would go to any lengths to start a rebellion!

Andre Norton: Voodoo Planet: A duel of two cosmic magicians - a horrible death for the loser

Death's End

Metro 2033: The novels that inspired the bestselling games

Nemesis Games: Book 5 of the Expanse (now a Prime Original series)