The authors present a 20-item inventory for textbook selection designed to supplement the Fry Formula or the Raygor Estimate readability tests. The authors argue that a harmonious relationship should exist between the text, its author, its intended readers, and the instructor. (Author/PGD)

Mathematics textbooks are critical tools for student learning in American classrooms. Teachers use them daily to plan and deliver lessons, and students use them in class to explore and learn mathematics. Given textbooks' potential to support student learning, it is important to understand how they are developed. While pressure is growing on…