"A History of Sarawak Under Two White Rajas 1839-1908" is a detailed study of the period of rule of James and Charles Brooke, the two English Rajas who ruled Sarawak for a century and a half. The authors of the book, C. A. Bampfylde and S. (Sabine) Baring-Gould, carefully reveal the history of the colonization of Sarawak, the life of the local people under the rule of the white rajas, as well as the influence of external forces on events in the region. The book is a valuable textbook for those interested in Southeast Asian history and the colonial era. Thanks to a detailed analysis of the events and personalities of the authors, the reader can better understand the dynamics of the development of Sarawak in the 19th century.