Designed for students of English as a second or foreign language anywhere in the world. This is an ideal handbook for all those who need to revise and improve their knowledge of English for business and pleasure. This course is divided into 18 units, graded in order of difficulty. Each unit comprises six or seven short dialogues in which the essential functions of colloquial English are practised. Examples of idiomatic texts, together with practice material, sketches and diagrams, help to reinforce the language in the dialogues. The course may be followed with or without a teacher.