Forward the Foundation
Isaac Asimov
Thud!
Terry Pratchett
The ultimate hitchhiker's guide to the galaxy
Douglas Adams
Feet of Clay
Walden, or, Life in the woods: and, "On the duty of civil disobedience"
Henry David Thoreau
The virtue of selfishness: a new concept of egoism
Ayn Rand; Nathaniel Branden
Basic writings of Nietzsche
Friedrich Wilhelm Nietzsche; Walter Arnold Kaufmann
Beyond Good and Evil: Prelude to a Philosophy of the Future
Friedrich Wilhelm Nietzsche