Kalman, Bobbie, 1947-

Animals without backbones / Bobbie Kalman. - St. Catharines, Ont. : Crabtree Pub., c2009. - 32 p. : col. ill., col. port. ; 25 cm. - Big science ideas . - Kalman, Bobbie, 1947- Big science ideas. .

Includes index.

ISBN: 9780778732792 (bound) : $25.95 9780778732990 (pbk.) : $9.95 0778732797 (bound) : $25.95 0778732991 (pbk.) : $9.95

Nat. Bib. Agency Control No.: 20089055535

Subjects--Topical Terms:
Invertebrates.
Invertébrés.

Dewey Class. No.: j592