On the banks of Ibalon, the current site of San Isidro, at the mouth of the “bocana” of the Ginangra River, Captain de Guzman and Fray Alonso Jimenez built a small chapel of bamboo and nipa. There, abstract. This review intends to examine the merits of the book titled Homonhon Island: The Correct Site of the First Mass in the Philippines written by Msgr. Lope C. Robredillo, SThD. THE.