Hidden harmonies : the lives and times of the Pythagorean theorem / Robert Kaplan and Ellen Kaplan ; illustrations by Ellen Kaplan
2011, First Edition. New York : Bloomsbury Press. Fine cloth copy in an equally fine dust wrapper, now mylar-sleeved. Particularly well-preserved overall; tight, bright, clean and strong. Physical description: (188 pages) : illustrations. Includes bibliographical references. Subjects: General & world history. Pythagorean theorem - History.