The golden ratio: the story of phi, the world's most astonishing ...
Mario Livio
Bump in the Night
J. D. Robb & Nora Roberts
In Death (22.5)
The tipping point: how little things can make a big difference
Malcolm Gladwell
Petals from the Sky
Mingmei Yip
Basic writings of Nietzsche
Friedrich Wilhelm Nietzsche & Walter Arnold Kaufmann