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by Seth J. Gillihan PhD
by Levitt, Steven D.; Dubner, Stephen J.
by Harmon, Ivan
by Adrianopoulos, Georgia D., Ph.D.
by Fox, Elaine
by Markus, Donalee; Markus, Lindsey; Taylor, Pat
by Schoen, Marc
by Schoen, Marc; Loberg, Kristin
by Tsilimparis, John; Schwartz, Daylle Deanna
by Carson-Dellosa Publishing Company, Inc.