These classic titles are now updated with the most recent research with the cooperation and curators from the Smithsonian's Air & Space and Natural History museums. These new editions feature full-color photos, glossaries, reference materials, and indices.

With his trademark eye for detail in both photo and text, Seymour Simon takes readers beyond just an introduction to these fascinating mammals.

In clear, economical prose, acclaimed science writer Seymour Simon describes wolves' habits and habitats, and explains the complex social hierarchy that rules a pack. Illustrated with 18 striking, full-color photographs.