"I teach one semester a year, and this year I'm just teaching one course during that semester, a writing workshop for older students in their late 20s and early 30s, people in our graduate program who are already working on a manuscript and trying to bring it to completion"

Tobias Wolff is explaining his teaching experience. He is teaching a composing workshop for older students in their late 20s and early 30s. These students are already dealing with a manuscript and attempting to bring it to completion. This implies that the course is focused on helping these trainees improve their writing and bring their work to a completed product. It also suggests that Wolff only teaches one term a year, and this year he is only teaching one course throughout that semester. This recommends that Wolff is a devoted teacher who is passionate about helping his students reach their goals. It also suggests that he is selective about the courses he teaches, which he is dedicated to offering quality instruction.