Tiriyó is a hitherto undescribed Cariban language of the Amazon (lowland South America).The bookcontains: (a) a grammatical description (phonology, morphology, syntax), in the typological-functionalist tradition, (b) a basic dictionary (including information on the general characteristics of the lexicon and semantic fields of special interest: kinship terms, motion verbs, spatial adpositions, color terms, body parts, animal terms), and (c) a collection of texts of various genres.