This description of computer-based courseware for a beginning reading curriculum developed by the PLATO Elementary Reading Project indicates the philosophical approach to lesson development and describes the interactive capabilities of the system, as well as the types of visual displays, routines for data collection by teachers, and uses of the various features of the PLATO IV terminal. Typical lessons are illustrated for each of the 17 categories which are currently available and teacher management options are outlined. A schematic diagram of the PLATO IV system and detailed descriptions of the plasma display panel, output and input devices, and the terminal keyset are included. (CMV)