The book further discusses English for Academic Purposes (EAP), including academic literacies, discourse and genre, core language skills, needs-based course design, teaching approaches, assessment, multilingual contexts, digital literacy, and the use of generative AI. Practical applications include academic research communication, occupational communication, ESP unit development, and EAP implementation in Indonesian higher education. This book is designed to support students, lecturers, researchers, and practitioners in understanding and applying ESP concepts systematically and effectively across academic and professional contexts.