This document outlines an ESP course and discusses course design and materials adaptation. It begins by defining ESP and outlining common problems ESP teachers face in Tunisia, such as lack of training and outdated materials. It then discusses how to become a DIY course designer, including analyzing needs, setting objectives, and selecting/developing materials. Examples show how printed materials and cartoons can be adapted for class activities. A conclusion emphasizes that a DIY approach allows teachers to personalize content and promotes professional development.