Rayhak Publishing House is a Manila-based textbook publisher that focuses on producing learning materials for both basic and tertiary students. It publishes books on social sciences, language, and literature, as well as new courses under the new Philippine curriculum. Its works are used as main references in The Contemporary World, Panitikan at Wika, and Retorika by private and state universities. Its pool of writers and developers is actively engaged in HEIs teaching political science, education, business law, English, and Filipino.