The International Solar-Terrestrial Prediction Proceedings and Workshop Program (ISTP/P-W Program) included the following: (1) an open call for contributed papers on solar-terrestrial predictions; (2) invited review papers about (a) the prediction, warning and monitoring services of groups that regularly issue solar-terrestrial predictions; (b) the current and future needs for predictions by groups that use solar-terrestrial predictions, and (c) current knowledge of selected topics in solar-terrestrial physics and applications; (3) working groups on fourteen areas of interest for solar-terrestrial predictions; (4) a preprint exchange from October, 1978 through March, 1979; (5) a workshop of representatives of the working groups; and (6) the Solar- Terrestrial Predictions Proceedings...