Bih is a Chamic language spoken in the Southern highlands of Vietnam, closely related to Ede (also called Rade, Rhade). Bih is spoken by only around 1000 speakers and is nearly undocumented. The proposed project results in a grammar of Bih that will establish whether Bih is a distinct language or a dialcet of Ede. This documentation research will also produce texts accompanied with audio and video files and a trilingual Bih-Vietnamese-English lexicon. These products will be of use to the community and those interested in language and culture preservation.