UNIT 1 Basic Knowledge of Business Letter Ⅰ. Definition and Functions of Business Letter Ⅱ. Significance of Business Letter Ⅲ. Structure of Business Letter Ⅳ. Styles of Business Letter Ⅴ. Layout of Envelope for Business Letter Ⅵ.Writing Principles of Business Letter Ⅶ. Exercises UNIT 2 Telegram and Telex Ⅰ. Introduction Ⅱ. Samples Ⅲ. Exercises UNIT 3 Fax and E mail Ⅰ. Introduction Ⅱ. Samples Ⅲ. Exercises UNIT 4 Establishing Business Relations Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises UNIT 5 Enquiry Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises UNIT 6 Offer Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises UNIT 7 Counter offer and Counter counter offer Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises UNIT 8 Order Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises UNIT 9 Contract Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises UNIT 10 Shipment Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises UNIT 11 Terms of Payment Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises UNIT 12 Insurance Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises UNIT 13 Complaint and Claim Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises UNIT 14 Agency Ⅰ. Introduction Ⅱ. Specimen Letters Ⅲ. Useful Sentences Ⅳ. Exercises Glossary Bibliography