This book is a collection of innovative studies on language contact. It contains novel works on unexplored issues related to language contact in different settings and aims to contribute multi-perspective insights to the current state of the art on language contact. Novel approaches to contact-related change, variation, attrition, and emergence of new varieties are explored from the lens of sociolinguistic, typological, synchronic, and diachronic perspectives. The contact settings vary from official and majority languages to minority, endangered and/or non-official varieties in different parts of the world.