Herbert Spencer Zim Reihenfolge der Bücher (Chronologisch)

Pictures 129 common birds, identifying their flight ranges, size, and appearance. Includes a table listing migration dates and nesting and feeding habits.

Examines the family trees, behavior and habitats of more than 200 common species of mammals in North America.

Offers a field guide with information to help the novice, the amateur, or anyone who wants to enjoy watching the stars, constellations, and planets.