Lindeen, Mary.

Tractors / by Mary Lindeen. - Collingwood, Ont. : Saunders Book Co., 2010. - 24 p. : col. ill. ; 23 cm. - Mighty machines . - Mighty machines (Collingwood, Ont.) .

Blastoff! readers, level 1.

Includes bibliographical references and index.

ISBN: 9781926660479 : $9.95

Nat. Bib. Agency Control No.: 20099031817

Subjects--Topical Terms:
Farm tractors.

Dewey Class. No.: j629.225/2