Note: To order any of this books, please email to jsluengo@yahoo.com Luengo, Josemaria S., Research And Its Methodologies,           Cebu City: Barangay Printing Press, 1977. Readings on Philippines Indigenous Culture, Quezon City:           Rex Printing Press, 1981 A History of the Philippines, Focus: LORENZO RUIZ,           Filipino Protomartyr In Nagasaki, (1st Ed.)           Bloomington, IN: University of Indiana Press, 1984 A History of the Philippines, Focus: LORENZO RUIZ,           The Filipino Protomartyr In Nagasaki, (2nd Ed.)           Quezon City: Luengo Foundation, Inc., 1999 A History of the Philippines, Focus: Christianization of Bohol,            (2nd Ed.) Tubigon, Bohol: ater Dei Publication, 1993 A History of the Manila-Acapulco slave Trade, (1565 - 1815)            Tubigon, Bohol: Mater Dei Publication, 1996 A history of the Philippines, Focus: PEDRO CALUNGSOD:           The Visayo Protoconfessor, 1593 -1609, Tubigon, Bohol:           Luengo Foundation, Inc., 2000           (To be off the press, with a Foreword of            Bishop Leopoldo S. Tumulak of Tagbilaran) A History of the Philippines, Focus: PELBURGOMZA:            Frs. Pelaez, Burgos, Gomez, and Zamora,            The Galvanizers of Filipino Freedom and Independence,                 Tubigon, Bohol: Luengo Fundation, Inc., 2001           (To be off the press, with the Foreword of             His Eminence Jaime Cardinal Sin, Archbishop of Manila)