When the wolves returned
Subtitle: restoring nature's balance in Yellowstone
By: Dorothy Hinshaw Patent ; photographs by Dan Hartman and Cassie Hartman.
Contributors: Hartman, Dan, 1955- ill.; Hartman, Cassie, ill.
Publisher: Walker; Distributed to the trade by Macmillan
Published: 2008
Place of publication: New York
Language: eng
Number of pages: 39
ISBN-13: 9780802796868; 9780802796875
Subjects: Gray wolf -- Reintroduction -- Yellowstone National Park -- Juvenile literature.; Gray wolf -- Reintroduction -- Yellowstone National Park -- Pictorial works.; Gray wolf -- Reintroduction -- Yellowstone National Park.; Yellowstone National Park -- Juvenile literature.; Yellowstone National Park.
Genres: Juvenile literature.; Pictorial works.
Description: 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.
Notes: Includes bibliographical references (p. [40]) and index.