A twelve lesson descriptive writing unit for tenth graders is presented in this document. Each lesson lists one or more behavioral objectives, materials needed, the procedures to follow, the method of evaluation, comments about the lesson by the teacher who used the plan, and suggestions for future use. Copies of the pre-test, the worksheets, assignment and instruction sheets, and evaluation forms are included. Throughout the unit the students evaluate each others' writing and then discuss both the writing and the evaluation. Of the 49 students who completed this unit, 43 felt the lessons helped them improve their writing. (TO)