This book is a descriptive grammar of Aguaruna, known to its speakers as Iini Chicham, a Jivaroan language spoken by some 55,000 people in the northwest Peruvian Amazon. Aguaruna is typologically and historically significant because of its location in the eastern foothills of the Andes, right between the Andean and Amazonian linguistic areas. Some typologically unusual syntactic phenomena, for example in the areas of grammatical relations and...