ISBN 0802796869 books & textbook
When the Wolves Returned: Restoring Nature's Balance in Yellowstone
Patent, Dorothy Hinshaw Hartman, Dan Hartman, Dan Hartman, Cassie
Bloomsbury USA Childrens /2008-05-01 Hardcover / 40 Pages
isbn-10: 0802796869 / isbn-13: 9780802796868
