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When the wolves returned : restoring nature's balance in Yellowstone /

When wolves were eliminated from Yellowstone National Park the natural system was out of balance. Shows the return of the wolves to the park and the natural balance being restored.

Bibliographic Details
Main Author: Patent, Dorothy Hinshaw
Other Authors: Hartman, Dan, 1955- (Illustrator), Hartman, Cassie (Illustrator)
Format: Book
Language:English
Published: New York : Walker : [2008]
Subjects:
Gray wolf > Reintroduction > Yellowstone National Park > Juvenile literature.
Gray wolf > Reintroduction > Yellowstone National Park > Pictorial works.
Biotic communities > Yellowstone National Park > Juvenile literature.
Wildlife conservation > Yellowstone National Park > Juvenile literature.
Yellowstone National Park > Juvenile literature.
Biotic communities > Yellowstone National Park.
Gray wolf > Reintroduction > Yellowstone National Park.
Yellowstone National Park.
Online Access:Contributor biographical information
Publisher description
Description
Summary:When wolves were eliminated from Yellowstone National Park the natural system was out of balance. Shows the return of the wolves to the park and the natural balance being restored.
Physical Description:39 pages : illustrations (some color) ; 26 x 28 cm.
Awards:American Library Association Notable Children's Bk
Bibliography:Includes bibliographical references (page [40]) and index.
ISBN:9780802796868
0802796869
9780802796875 (reinforced library binding)
0802796877 (reinforced library binding)