The Encyclopedia of Educational Psychology is organized in alphabetical order, from A through Z. However, there are particular themes under which the information and the entries could be organized conceptually. These themes, or major topic areas, constitute the Reader’s Guide, which appears on page xi. Categories such as Classroom Management; Ethnicity, Race, and Culture; Families; Intelligence and Intellectual Development; Learning and Memory; and Peers and Peer Influences are only a few that help organize the entire set of contributions.