The mysterious undersea world /
Jan Leslie Cook.
- [Washington] : National Geographic Society, 1980.
- 104 p. : col. ill. ; 28 cm.
- Books for world explorers .
Pocket contains a pamphlet, Far-out fun (24 p.) and a game, Pachisea (1 fold. sheet and 1 sheet of transfers) Includes index.
Bibliography: p. 101.
Introduces the ocean and its movements, marine animals and plants, sunken treasure, submersibles, aquariums, and oceanariums.