诸神的足迹：失落文明的关键：the key to earth's lost civilization the key to earth's lost civilization 人类简史：文明的支柱：the pillars of civilization 雅典的胜利：文明的奠基：the story of the world's greatest civilization 希腊精神：一部文明史：the history of a civilization 潘多拉的种子：人类文明进步的代价：the unforeseen cost of civilization