On Quality: An Inquiry into Excellence: Unpublished and Selected Writings

Arthur Schopenhauer The Collected Essays of Arthur Schopenhauer (Unexpurgated Edition) (Halcyon Classics)

Robert B. Leighton Six Easy Pieces: Essentials of Physics Explained by Its Most Brilliant Teacher

Donella H. Meadows Thinking in Systems: International Bestseller

Robert M. Pirsig Zen and the Art of Motorcycle Maintenance: An Inquiry Into Values