On the Future: Prospects for Humanity
Martin Rees
Science, Mind and the Universe: An Introduction to Natural Philosophy
Helmut Moritz
Urban Dictionary: Fularious Street Slang Defined
Aaron Peckham & Urbandictionary.com
Medieval Italy: An Encyclopedia
Christopher Kleinhenz
Die Philosophie des Als Ob: System der theoretischen, praktischen ...
Hans Vaihinger
Beyond Good and Evil: Prelude to a Philosophy of the Future
Friedrich Wilhelm Nietzsche