Herbert Spencer Zim Poradie kníh

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.

Text and illustrations identify 645 species of birds.

Includes information on collecting and identifying minerals, and sections on metallic, nonmetallic, gem and rock-forming minerals, and on igneous, sedimentary and metamorphic rocks.