This book is an investigation into the grammar of Mehweb Dargwa East Caucasian also known as NakhDaghestanian based on several years of team fieldwork. Mehweb is spoken in one village community in Daghestan Russia with a population of some 800 people In many ways Mehweb is a typical East Caucasian language it has a rich inventory of consonants an extensive system of spatial forms in nouns and converbs and volitional forms in verbs pervasive gendernumber agreement and ergative alignment in case marking and in gender agreement. It is also a typical language of the Dargwa branch with symmetrical verb inflection in the imperfective and perfective paradigm and extensive use of spatial encoding for experiencers.