Book excerpt: The focus of this volume is the interdependence of diachrony and synchrony in the investigation of syntactic structure. A diverse set of modern and ancient languages is investigated from this perspective, including Hittite, the Classical languages, Old Norse, Coptic, Bantu languages, Australian languages and Creoles. A variety of topics are covered, including TAM, diathesis, valency, case marking, cliticization, and grammaticalization. This volume should be of interest tosyntacticians, typologists, and historical linguists with an interest in syntax and morphology.