This book represents the Matsigenka dictionary, spoken along the upper Urubamba and a great part of the Lower Urubamba and tributaries of these (province of Convencion, Cusco). Also the Matsigenka area covers the Manu and the left bank of the Upper Madre de Dios (province of Manu, department Madre de Dios (see Rosengren 2004:8). The total population is estimated at 11,000 inhabitants.

This book consists of the following parts: the Introductory pages, Matsigenka-Spanish dictionary, Spanish-Matsigenka index, Grammatical notes, several appendices and a short bibliography.