《商业书信》是应对外经济贸易大学和中央人民广播电台联合举办的《广播函授国际商业英语课程》的需要，受对外经济贸易大学继续教育学院的委托而编写的。

这本教材共45课，涉及外贸业务的询盘、发盘、还盘、接受、付款、装运、索赔等基本业务环节，选材力求实用，文字力求规范、简练。为帮助自学，教材还有四个附件：销售确认书、信用证祥例、练习参考答案和课文参考译文等。

Lesson 1 Communication and Business

Lesson 2 Letter--A Common Communication Medium

Lesson 3 Business Letter-Writing

Lesson 4 Clarity ,Conciseness, Courtesy

Lesson 5 Structure of Business Letter

Lesson 6 Letter Styles

Lesson 7 Seeking Friends through the Bank

Lesson 8 Seeking Friends through Chamber of Commerce

Lesson 9 Credit Inquiry

Lesson 10 Reply to Credit Inquiry

Lesson 11 Trade Reference

Lesson 12 Credit Information

Lesson 13 A Letter to a Japanese Exporter

Lesson 14 A reply to the Letter in Lesson Thirteen

Lesson 15 Asking for Catalogues

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Appendix I A Sales Confirmation

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