This workbook, designed for workplace literacy courses, contains materials for a business writing course. The course presents the fundamentals of effective business letter writing, focusing on logical organization, word choice, style, tone, and clarity. The course uses students' own examples as well as practice exercises for reinforcement. Introductory materials include objectives and a topical outline. The 16 sessions of the course cover the following topics: analyzing an author's purpose, the reader, the style, and the tone; prewriting--brainstorming, organizing, and freewriting; writing clearly and correctly; and editing. The lessons include information sheets and exercises, such as sentence completion, fill-in-the-blanks, and simulations. (KC)