Down, down, down in the ocean /
Sandra Markle ; illustrations by Bob Marstall.
- New York : Walker, 1999.
- 32 p. : col. ill. ; 23 x 30 cm.
Includes index.
School Library Journal
Describes a number of creatures that comprise a Pacific Ocean ecosystem, as found off the coast of California at three different depths-- 0 to 200 meters, 200 to 1000 meters, and the seafloor.