The document provides guidance on selecting and evaluating instructional materials. It lists several criteria that materials should meet: [1] Give an accurate representation of ideas; [2] Contribute meaningful content to achieve learning objectives; [3] Be appropriate for learners' abilities. It also notes materials should be in good condition, have a teacher's guide, and help develop critical thinking. For effective use, teachers should prepare themselves, students, and the materials, and follow up with students after using the materials.