(029587) Delbeek, J. Charles, and Sprung, Julian. The Reef Aquarium: A Comprehensive Guide To The Identification And Care Of Tropical Marine Invertebrates [2 Volumes]. Coconut Grove, FL: Ricordea Publishing, 1994, 1997. Later Printing. Hardcover. Large 8vos. 543, 546 pages. Very Good with no DJ. Color Photographs. Outside front hinge of volume 2 is cracked for about 3 inches. Volume 1 is fine (Marine Aquariums)