Several ideas for implementing writing in the content areas are presented. The ideas, which were submitted by teachers and students, include: (1) a class called "Thinking-Writing" which uses freewriting, clustering, and written dialogue with an imaginary tutee; (2) a testimonial on the importance of knowing how to write in adult life; (3) a method for evaluating writing in the content areas; (4) a suggestion for having students write their own mathematics study guides; (5) a mathematics/science journal written and published by students; (6) a "think book" or journal in which students briefly summarize the previous class; and (7) a description of the writing-across-the-curriculum movement in colleges. Also included are definitions of think books, freewriting, and clustering. (DC)