The Two Towers
J. R. R. Tolkien
The Lord of the Rings (2)
King Coal
Upton Sinclair
The Coal War (1)
Pebble in the Sky
Isaac Asimov
Galactic Empire (3)
The House of Hades
Rick Riordan
Heroes of Olympus (4)
Turing's Cathedral: The Origins of the Digital Universe
George Dyson