Cooper, Jason, 1942-

Sea urchins / Jason Cooper. - Vero Beach, Fla. : Rourke Publications, c1996. - 24 p. : col. ill. ; 19 cm. - Animals without bones .

Includes index.

A simple introduction to the physical characteristics, life cycle, and habitat of sea urchins and related species.

Subjects--Topical Terms:
Sea urchins.