Title: Water in Crisis: A Guide to the World's Fresh Water Resources / Edition 1, Author: Peter H. Gleick
Title: The Making of Gratian's Decretum, Author: Anders Winroth
Title: Properties and Management of Soils in the Tropics, Author: Pedro A. Sanchez
Title: Geometric Folding Algorithms: Linkages, Origami, Polyhedra, Author: Erik D. Demaine
Title: Games, Puzzles, and Computation / Edition 1, Author: Robert A. Hearn