This book provides a comprehensive overview of current research in English for Specific Purposes (ESP) and its pedagogical implications. Bringing together contributions from diverse tertiary contexts, it showcases the vitality of ESP studies in the twenty-first century. The volume highlights flourishing research themes and methodological innovations in ESP, while also engaging with closely related fields such as English for Academic Purposes and Professional English. Organized into three parts, it examines: - Established research areas revisited from fresh perspectives, - The integration and adaptation of well-known methodologies, and- New directions that expand the horizons of ESP inquiry. Offering a state-of-the-art account of research and practice, the book illustrates how ESP scholarship continues to evolve and inform pedagogy worldwide. It will be of particular interest to graduate students, researchers, and practitioners seeking insights into both established and emerging trajectories within the field.