Aaseng, Nathan.
Invertebrates /
by Nathan Aaseng.
- New York : F. Watts, c1993.
- 110 p. : ill. ; 24 cm.
- A Venture book .
Includes bibliographical references (p. 104-105) and index.
Discusses animals with no backbones, including protozoans, sponges, worms, mollusks, arachnids, and arthropods.
0531125505
93004093 /AC
Invertebrates--Juvenile literature.
Invertebrates.
QL362.4 / .A27 1993
592