INTRODUCTION

According to Tom Hutchinson & Alan Waters Lancaster (1986), “English for Specific Purposes is teaching which has specified objectives”. English Language world got a long well enough without it for many years, so why has ESP became such an important part of English Language Teaching? In ESP students hope by learning ESP can serve as a guide to all present and future and inhabitant of ESP, revealing both the challenges and pleasures to be enjoyed there and the pitfalls to be avoided. The writer make this book in order we will not only explain our reason for writing it but will also be able to presents a plan of the itinerary we shall follow, the ESP is related to learning central approach because in development ESP has paid scant attention to the questions of how people learn, focusing instead on the question of what people learn. Besides, ESP divided into several focuses there are ESP for Science and Technology (EST) divided into two English Academic Purposes (EAP) English for Occupational Purposes (EAP). In English Academic Purposes (EAP) there is English for Medical Studies, and English for Occupational Purposes (EAP) there is English for Technicians. English for Business and Economics (EBE) divided into two are EAP there is English for Economics and EOP English for Secretaries. In English for Social Sciences (ESS) divided into two EAP there is English for Psychology and EOP (English for Teaching). However, in ESP will discuss into several chapters such as the origin ESP, The Development of ESP, ESP: Approach not Product, Language Description, Theories of Learning, Needs Analysis, Approaches to Course Design, The Syllabus, Materials Evaluation, Materials Design, Methodology, Evaluation and Orientation.