Business Writing - sources worth looking at

1. Company to Company (CUP). A thorough letter writing course for levels Intermediate+

2. In Company (Macmillan). A good source for work on e-mails for levels pre int to upper int.

3. Handbook of Commercial Correspondence. (OUP) A font of models for lots of different kinds of business correspondence.

4. E-mail English (Macmillan)

5. Business Builder (OUP)