1. INTRODUCTION
2. SCIENCE
2.1. High-Redshift Galaxies
2.2. Strong Lens Modeling
2.3. Galaxy Cluster Masses
2.4. Dark Matter Constraints
2.5. Supernovae
3. GALAXY CLUSTERS
4. OBSERVATIONS
4.1. Hubble Imaging
4.2. Spitzer Imaging
4.3. Other Large Surveys of RELICS Clusters
5. IMAGE REDUCTIONS AND CATALOGS
5.1. Hubble Image Reductions
5.2. Hubble Detection and Photometry Catalogs
5.3. Photometric Redshifts
6. RESULTS
6.1. High-Redshift Candidates
6.2. Lens Modeling
6.3. Supernovae
7. SUMMARY