Preface. Foreword. 1. Infrared Diagnostics of the Solar Atmosphere and Solar Activity. 2. Infrared Observations of the 1991 Total Solar Eclipse. 3. Infrared Perspectives on Atmospheric Dynamics. 4. Infrared Atomic Physics and Line Formation. 5. Magnetic Fields and Infrared Magnetometry. 6. The Infrared Spectrum. 7. Infrared Technology and the Future.