Presents a study of United States History textbooks that identifies possible shortcomings of several readability formulas as tools in determining the appropriateness of reading materials. Suggests additional factors to consider when selecting textbooks and techniques to help students understand reading materials. (AEM)

Describes how social studies teachers can help students interact with textbooks to promote better comprehension and retention of information. Suggests methods for linking existing knowledge to concepts in the text, for organizing information to encourage retention, and for making the expository style of texts more accessible. (LS)