This document summarizes several important early books printed in the Philippines, including the first - the Doctrina Christiana printed in 1593. It discusses the contents of the Doctrina Christiana, including prayers, creeds, commandments and sacraments. Several other early books are mentioned, including books printed in 1602 and 1604 using movable type. Early Tagalog novels and passion narratives are also summarized. Finally, the document discusses the introduction of Marian hymns in 1865 and the contents of Flores de Mayo devotions.