Mysteries of the Past 1977 Softcover American Heritage

You are bidding on a softcover book from American Heritage-copyright 1977-"Mysteries of the Past"-written by Lionel Casson, Robert Claiborne, Brian Fagan, and Walter Karp. This book is in good condition.

Topics covered-Who crossed the first oceans?, Who raised the Megaliths?, Where did Homer's heroes come from?, Who were the mound builders?, How did human races originate?, What caused the Maya collapse?, Who were the Indo-Europeans?, How has climate affectred history?, China and the West:Which was first?, Where did Ancient Traders sailed?, Why did the ancients not develop machinery?, and What caused the sudden rise of modern man?.