Drawing on fieldwork and archival research, Drechsel presents a grammatical, sociolinguistic, and ethnohistorical study of Mobilian Jargon, a Muskogean-based American Indian pidgin of the Mississippi valley. Though linguistic and extralinguistic evidence points to Mobilian Jargon's pre-Columbian origin, it was primarily spoken between 1700 and the mid-twentieth century, when it functioned as a lingua franca among linguistically diverse southeastern...