Endangered species, wild and rare - 4 0 16; 5 National Wildlife Federation (New York : Learning Triangle Press, 1997)
New & expanded--Cover.
Includes bibliographical references (p. 63-65) and index.
Keywords: 2 -- 0; 6; Study and teaching;Activity programs.;Study and teaching;Activity programs.;Effect of human beings on;Study and teaching;Activity programs. -- Endangered species;Rare animals;Nature -- 20; 20; 2