Learning language through content is a natural phenomenon and not a new idea. In recent times, the Writing Across the Curriculum approach has been seen to be effective for teaching language skills to native speakers through the medium of courses in other content areas. The encouraging results have added impetus to the contemporary application of the concept of learning through content to ES/FL. Here, Tim Murphey discusses the rationale, implementational concerns, and beneficial outcomes in regard to a particular program in the context of higher education in Japan.