Murray Leinster: A Matter of Importance: what is the difference between a riot and a war? It's all in your attitude.

The Walls

The Yillian Way

The Testaments: WINNER OF THE BOOKER PRIZE 2019

Keith Laumer: A BAD DAY FOR VERMIN: 3 Sci Fi Stories from the wild imagination of Keith Laumer: A Bad Day for Vermin, The King of the City & Doorstep

Worlds of the Imperium (Unabridged): optional

Poul Anderson: The Chapter Ends: "Look around you, Jorun of Fulkhis. This is Earth. This is the old home of all mankind. You cannot go off and forget it.

Keith Laumer: It Could Be Anything: Keith Laumer, well-known for his tales of adventure and action, shows us a different side of his talent in this original, exciting and thought-provoking exploration of the meaning of meaning.

Metro 2033: The novels that inspired the bestselling games

Gambler's World: The Earth diplomat Retif strikes again

World War Z: The Complete Edition: An Oral History of the Zombie War

Flowers For Algernon: The must-read literary science fiction masterpiece

A Bad Day for Vermin: They came In friendship and love. They couldn't help the way they looked!

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

Cibola Burn: Book 4 of the Expanse (now a Prime Original series)