Section headings and selected papers: Overview and Future Programs. Evolution of our knowledge of the heliosphere, J A Simpson. A NASA heliospheric program, E J Smith. Solar Phenomena. Observation of the heliosheet at meter wavelengths, P Lantos et al . On the association between coronal MM-wave sources, LDE X-ray flares, and coronal mass ejections, A Kruger et al . Coronal Mass Ejections. IPS-imaging of heliospheric transients, A Hewish. Three-dimensional, time-dependent MHD simulations of interplanetary plasmoids, M Dryer et al . Solar Wind. Solar wind latitude/longitude variations from interplanetary scintillations, T Watanabe. Are structures in high-speed streams signatures of coronal fine structures?, K M Thieme et al . Heliospheric Magnetic Field. Extending the sun's magnetic field through the three-dimensional heliosphere, J T Hoeksema. Observations of large scale spatial gradients in the heliospheric magnetic field, D Winterhalter & E J Smith; Energetic Particles. Charged particle acceleration processes in the interplanetary medium, K-P Wenzel. Energetic particles, interplanetary shocks and solar activity, V Domingo et al . Cosmic Rays. Cosmic ray gradients in the heliosphere, W Fillius. Episodic cosmic-ray modulation in the heliosphere, J A Le Roux & M S Potgi;ter. Interaction with the Interstellar Medium. Remote sensing of the termination of the solar wind via in situ plasma measurements, R L McNutt Jr. Confinement of the heliosphere and relevant physical processes, S Grzedzielski & J Ziemkie;icz. Appendix. Author Index.