The document provides an introduction and overview for an English lesson plan book focused on teaching English for the hospitality industry. It outlines 21 modules that cover topics like greeting guests, dealing with requests, complaints, directions, and verb tenses. It explains that the modules include dialogues, activities, and exercises to provide opportunities for students to practice using hospitality-related English. It also notes that while the modules are generally applicable, teachers may need to adapt the lessons based on the specific jobs and needs of their students.