Sacrifice sci-fi books

Champion: A Legend Novel

Halo: The Fall of Reach

Helsreach

For Want of a Rivet

The End and the Death: Volume III (The Horus Heresy: Siege of Terra)

The Classic collection of Robert A. Heinlein. Fifteen Short Stories. Illustrated: Life-Line, Let There Be Light, Logic of Empire, Searchlight, The Long Watch and Others

The Quiet Final Countdown: A Post-Apocalyptic Military Thriller

Battle For the Galaxy: A Space Opera of Alien Invasion and Human Resistance

Ares Unleashed: A Military Sci-Fi Adventure

Loyalty

Bastion