Morris, Neil, 1946- Caves / [book] - New York ; Niagara-on-the-Lake, Ont. : Crabtree Publishing, c1996. - 32 p. : ill. ; 26 cm. - Wonders of our world . - Morris, Neil, 1946- Wonders of our world. . Includes index. ISBN: 086505830X (bound) 0865058423 (pbk.) LCCN: 95023441 Nat. Bib. Agency Control No.: 960040064 Subjects--Topical Terms: Caves.Cavernes Dewey Class. No.: 551.4 MOR