Nineteen essays by five pioneers in the field of computers in education are presented in this volume. The essays provide a foundation for understanding the basic issues involved in using computers in schools, the teacher's role in helping the student make full use of computing, and the general limitations of computer use. A framework is presented for considering computers in education which identifies three functions of a computer: as a tutor, as a tool, or as a student (tutee). A computer's tutor function requires expert programming so that flexible computer-assisted instruction can be provided to students. A computer's tool function requires only that some useful capability (such as statistical analysis) be programmed into the computer. In the student or tutee function of a computer, a human tutor teaches the computer, thereby enhancing human learning and reducing software costs. Other topics of discussion include interactive learning, heuristic strategies, pre- and post-college computer education, teaching children to think, mathematics education, the future of computers in education, and teachers and computer-assisted instruction. (Author/DB)