"Introduction to Grammatical Theories" is a comprehensive and authoritative resource that encompasses the major theoretical frameworks in contemporary linguistics. This reference work strives to present a detailed and critical examination of a broad spectrum of topics at the forefront of current linguistic research. Serving both as a reference guide and an advanced monograph, the book aims to offer readers a thorough understanding of diverse grammatical theories and their applications. Compiling research and reviews in the field, the book intends to facilitate a deeper exploration of linguistic theories, serving as a valuable asset for scholars, researchers, and linguistics enthusiasts. Through its comprehensive approach, the book aspires to be an essential reference point for those seeking a nuanced understanding of the complexities and advancements within the dynamic field of grammatical theories.