Algorithms
Jeff Erickson
The Roads Must Roll
Robert A. Heinlein
Revolt in 2100 (Collected Stories)
He Who Fights with Monsters 12
Shirtaloon & Travis Deverell
He Who Fights With Monsters (12)
Flatland: A Romance of Many Dimensions (Mobi Classics)
Edwin A Abbott,
The Grand Design
Stephen Hawking & Leonard Mlodinow