Petersen, Christine.

Trees / by Christine Petersen. - Collingwood, Ont : Saunders Book Co., 2011. - 24 p. : col. ill., port. ; 21 cm. - 21st century junior library . - 21st century junior library (Collingwood, Ont.) .

Includes bibliographical references (p. 23) and index.

ISBN: 9781926722825 : $9.95

Nat. Bib. Agency Control No.: 20109029550

Subjects--Topical Terms:
Trees.
Arbres.

Dewey Class. No.: j582.16