Chapter 1 Great Era-Time and background,family history Zheng He and preparations for ocean-gong adventure 1.Time and backgound 2.Growing in wars 3.Pre-sail preparations Chapter 2 Western Sea Voyages and Friendship-Zheng He going down the western seas,conducting cxchanges and cooperation 1.First voyage(1405-1407) 2.Second voyage(1407-1409) 3.Third voyage(1409-1411) 4.Fourth voyage(1413-1415) 5.Fifth voyage(1417-1419) 6.Sixth voyage(1421-1422) 7.Seventh voyage(1430-1433) Chapter 3 Tracing the Routes of Zheng He's Voyages-Major ports and historical sites 1.Liujia Port in Taicang-Starging Point of Zheng He's voyage 2.Changle Taiping Port 3.Malacca-Communications hub on the sea 4.Semarang of Java-A place Zheng He passed in six of his seven voyages 5.Port of Aden,Yemen-Junction of Europe,Asia and A frica 6.Eastern coasts of Africa-The far end of Silk Road on the sea Chapter 4 Meritorious Exploits-Contributions by Zheng He to world civilizaiton 1.Scientific navigation and advanced technologies 2.Safeguarding peace and sowing the seeds of friendship 3.Trade and economic development 4.Ocean-going adventure and vanguard in navigation 5.Cultural dissemination and exchanges 6.Zheng He belongs to the world-Displaying the spirit of peace and friendship