Full Planet, Empty Plates
Lester R. Brown
A Beginner's Guide to Mathematica
David McMahon & Daniel M. Topa
Gottfried Wilhelm Leibniz: The Polymath Who Brought Us Calculus
M. B. W. Tent
The Crusades
Nikolas Jaspert
The Philosophy of Universal Grammar
Wolfram Hinzen & Michelle Sheehan
Manual of Free Energy Devices
D. A. Kelly