This book provides a first systematic and comprehensive account of English in East and South Asia (EESA) based on current research by scholars in the field. It has several unique features. Firstly, it provides a rigorous theoretical overview that is necessary for the understanding of EESA in relation to the burgeoning works on World Englishes as a discipline. Secondly, in the section on linguistic features, a systematic template was made available to the contributors so that linguistic coverage of the variety/varieties is similar. Thirdly, the vibrancy of the sociolinguistic and pragmatic realities that govern actual English in use in a wide variety of domains such as social media, the Internet and popular culture/music are discussed. Finally, this volume includes an extensive bibliography of works on EESA, thus providing a useful and valuable resource for language researchers, linguists, classroom educators, policymakers and anyone interested in the topic of EESA or World Englishes. This volume hopes to advance understanding of the spread and development of the different sub-varieties reflecting both the political developments and cultural norms in the region.