Santa Barbara, CA: McNally & Loftin, 1993. 207p., illustrated in b&w with site photography and carefully drawn diagrams with stats and cautionings; cover features four photos in color. Softbound, a 10x8 inch paperback, minor shelfwear and cover has a corner crease.
Photos and maps of the caves on the island off the California coast; one such is called Claustrophobic Cave, another Dead Seal Cave. Get the idea?