This document outlines a course on materials development and adaptation for teaching English as a second language. The 3-credit course is offered through the Department of English at a Malaysian university. Key elements of the course include evaluating existing teaching materials based on established criteria, adapting materials to suit different student groups and skills, and developing original instructional materials. Assessment consists of evaluating an existing textbook, creating and presenting adapted materials, tests, and compiling a portfolio of class materials. The goal is for students to learn skills in appraising, selecting, adapting and developing materials to effectively teach English.