The covers are lightly shelf stained, else as new. Unpaged, the photography is stunning.. Customers please note the book is heavy and will attract additional postage. "Symphysodon, colloquially known as discus, is a genus of cichlids native to the Amazon river basin in South America. Due to their distinctive shape, behavior, and bright colors and patterns, discus are popular as freshwater aquarium fish, and their aquaculture in several countries in Asia is a major industry. They are sometimes referred to as pompadour fish. (Wikipedia)