Book excerpt: This 800-page tome is an exhaustive introductory guide to the shallow-water corals found in the tropical Indo-Pacific, covering nearly every genus of stony coral, soft coral, black coral, corallimorph, sea anemone, zoantharian, and hydroid. The discussion is aimed for a general audience and includes up-to-date taxonomy, along with ~4000 photos that help to illustrate the enormous diversity of this group. This is a must-have reference for any serious diver, aquarist, or researcher interested in this region's coral fauna.