Childcraft: How Things Work
World Book, Inc
Great Books of the Western World 03 (1952)
Mortimer Jerome Adler
Mathematical Programming and Game Theory
S. K. Neogy & Ravindra B. Bapat & Dipti Dubey
Lost Technologies of Ancient Egypt
Christopher Dunn
Encyclopedia of World Cultures. africa and the middle east
David Levinson
A University Grammar of English
Randolph Quirk & Sidney Greenbaum