This introductory textbook provides readers with a foundation in methods for analysing and understanding language from various theoretical perspectives within linguistics and language studies. Its novel approach introduces systemic functional linguistics, text and discourse analysis, and formal approaches to linguistics. It demonstrates applications of these approaches to reveal how we use language in society, how our brains process language, and how we learn language. Topics include phonetics, phonology, conversation analysis, morphology, semantics, functional and formal syntax, text linguistics, genre analysis, evaluative lexis in text, multimodal representations of meaning, language change and variation, animals and language, the brain and language, and first and second language development/acquisition. The main language focused on is English, while other languages are also drawn on to illustrate the principles, models and theories. Learning outcomes, exercises (with answer key), ideas for project work, and questions for reflection are provided throughout. A final chapter gathers explanations of various fields of practice within linguistics, written by linguists from around the world, including David Crystal (Clinical Linguistics), Frances Christie (Educational Linguistics), and Malcolm Coulthard (Forensic Linguistics). An Introduction to Linguistics and Language Studies offers an array of analytical tools for undergraduate students of language, communication, and education, and provides an overview of the field for those interested in further study in linguistics and applied language studies. Readers will come away with a heightened sensitivity to and appreciation of their own and other's use of language for creating meaning and for interaction.