This document discusses instructional materials used in education. It begins by outlining the learner objectives of being able to identify variables in selecting instructional materials, cite the components required to effectively communicate, and discuss general principles. It then defines instructional materials and their purpose in helping communicate information and improve student abilities. The three major components of instructional materials are identified as the delivery system, content, and presentation. Various types of written instructional materials like handouts, leaflets, books and pamphlets are discussed along with their advantages and disadvantages. The steps in developing learning resource materials and commercially prepared materials are also outlined.