This guide lists electronic discussion lists, bulletin boards, and conferences related to second language teaching and learning that may be of use in the second language classroom. It also offers suggestions for the use of these resources in teaching. The guide has three main sections. The first, devoted to electronic communication in a single class, discusses teacher-student dialogue through online journals and virtual office hours, use of electronic mail for increasing teacher-student interaction, electronic classroom bulletin boards, use of online communication for writing improvement, topics and activities for communication practice, and use of local area networks. The second section, on cross-cultural communication, looks at ways of providing support for students being introduced to international exchange, locating and polling native speakers, penfriend communication by computer, two-way peer teaching between partners of different language groups, team teaching in paired classes, exchanges for sharing folklore, international discussion lists and bulletin boards, promotion of linguistic awareness by computer, multi-class projects, virtual environment interactions, and electronic courses. Section three guides the user to online authentic language materials and additional resources. (MSE)