Mysteries of the Past Author:Lionel Casson Many pictures (about 1 per page) about 1/2 in color. — Old but very interesting account of actual feats that aren't explained even today. Chapters include Who first crossed the oceans?, Who raised the megaliths?, Were did Homer's heroes come from?, What casued the sudden rise of modern man?, Who were the mound builders?, Why did the ancients not... more » develop machinery?, Where did ancient traders sail?, China and the west - which was first?, How did human races originate?, How has climate affected history?, Who were the Indo-Europeans?, What caused the collapse of the Maya?« less