This two-volume collection of diverse international experiences and perspectives on the current use of computers in education is a joint effort of fifty-seven authors from sixteen countries. Most of the chapters describe current work of the authors on the use of computers in their respective areas of education. The first volume includes chapters describing history and future trends of educational computing, technological infrastructure of Brazilian public education, the use of e-textbooks by college students in the United States, online leaning at the middle school level in Australia, theoretical aspects of knowledge sharing in technology-supported environments, the interplay between learning theories and technology, the integration of Web 2.0 tools in education, knowledge authoring in e-learning environments, application of technology to special education, and the use of computers in the teaching of physical education.