Sponges are skeletons
By: by Barbara Juster Esbensen ; illustrated by Holly Keller.
Contributors: Keller, Holly, ill.
Edition: 1st ed.
Series: Let's-read-and-find-out science book
Publisher: HarperCollins Publishers
Published: 1993
Place of publication: New York, NY
Language: eng
Number of pages: 32
Subjects: Sponges -- Juvenile literature; Sponges
Description: Explains how sponges are animals that live in the ocean and how they are harvested and used by humans.