Hard Science Fiction 7,650 books

Crisis at Proxima by Travis S Taylor and Les Johnson

Tambora II (Climate Reality, #3) by Les W Kuzyk

Wakers by Ron Collins

Second Evolution by Bert D Anderson

Excile (Science Officer, #14) by Blaze Ward

Klandor Encounter (Klandor Rising, #1) by B Ward Powers and Marti Ward

Emissaries by V S Holmes

1100 Digital Stories in an Analog World by Ron Collins

Ardent Violet and the Infinite Eye by Alex White

Arming Freedom (The Freedom Saga, #4) by Stephen B Pearl

Wandering Through Time by Ian Randal Strock

The Alien Invasion Apocalypse Marauders (The Zombie Apocalypse Call Center, #11) by Taylor Ellwood