What is "kalangitan"

Kalangitan is a Philippine Historical Fiction Novel written by A.F. Eleazar. The plot revolves around a princess named Dayang Kalangitan who became the Queen Regnant of Namayan, Teunduk ,and Meneuk kingdom . As described on the novel, Kalangitan is the most powerful woman in the Maisung at the time of her reign. The novel tackled the history of pre-hispanic Philippines and the tradition of monogamy, justice system, culture and social norms. The main gist of the novel is about feminism during the pre-colonial era as it shows on the way it was written. It also explore the genre of Philippine mythology, epic and legends. It also contains allegories and sublimal messages as seen on the succeeding chapters of the book . The story was set in Manila during 1450 A.D. .