This book delves into the multifaceted concept of translanguaging, offering a comprehensive examination from its foundational theories to its practical applications. The author provides a nuanced understanding of translanguaging, differentiating it from code-switching and elucidating its core premises, then explores translanguaging practices in early multilingual societies, colonial contexts, and postcolonial and globalized settings. Theoretical foundations are thoroughly explored in the second part of the book, covering sociolinguistic theories and their application to translanguaging, cognitive approaches emphasizing metacognition and cognitive flexibility, psycholinguistic perspectives, and sociocultural theories aligning with translanguaging. Part III examines practical aspects of translanguaging, focusing on its implementation in multilingual classrooms, multicultural communities, and professional settings. The book demonstrates translanguaging's role in community development, cultural heritage preservation, and fostering social cohesion through case studies in diverse contexts, including business, healthcare, and legal settings. Strategies and best practices for integrating translanguaging into language teaching are discussed, along with its benefits and challenges in education. The final section, Part IV, anticipates future directions for translanguaging, exploring emerging technologies such as virtual reality, augmented reality, artificial intelligence, and machine learning. The book also examines translanguaging's potential in linguistic preservation, particularly in the context of indigenous languages, as well as its role in achieving Sustainable Development Goals, including multilingual education and reducing linguistic inequalities. This book will be of interest to researchers, scholars, and educators interested in language studies, sociolinguistics, education, and interdisciplinary fields.