Book "Philippine Islands, 1493-1898, Volume 29 of 55, 1638-40 Explorations of Early Mariners, Descriptions of the Islands and Their Inhabitants, Their History, and Records of Catholic Missions, as Told in Contemporary Books and Manuscripts, Showing Vol." The Philippine Islands, 1493-1898, Volume 29 of 55, 1638–40 Explorations of Early Mariners, Descriptions of the Islands and Their Inhabitants, Their History, and Records of Catholic Missions as Told in Contemporary Books and Manuscripts, is a reference publication that explores the discovery and exploration of the Philippine Islands in the 17th century.The author explores the early voyages of the navigators, provides detailed descriptions of the islanders, their culture and religion, and the history of the Catholic missions in the region.Based on contemporary sources and manuscripts, the book reproduces important points in the history of the Philippine Islands, helping readers better understand their past and cultural customs."