Reading, Writing, and Proving: A Closer Look at Mathematics
Ulrich Daepp & Pamela Gorkin
A History of the Crusades, Vol. I; The First 100 Years
Marshall W. Baldwin
Philosophy of Science: From Problem to Theory
Mario Bunge
Epistemology II
Ramona Cormier & James K. Feibleman & Sidney A. Gross & Iredell Jenkins & J. F. Kern & Harold N. Lee & Marian L. Pauson & John C. Sallis & Donald H. Weiss
The Vital Illusion
Jean Baudrillard & Julia Witwer
Constructive Play: Applying Piaget in the Preschool
George E. Forman & Fleet Hill