Zim, Herbert Spencer

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

A guide to North American insects which gives popular name, describes life and reproduction cycles and feeding habits, and includes a range guide.

A guide to mammals of North America that includes a description of each species, a detailed drawing of the animal, and a map locating his common range.

A guide to approximately 200 of the most commonly viewed American wildflowers, with 134 color paintings. Flowers are grouped by color.

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

A guide to North American insects which gives popular name, describes life and reproduction cycles and feeding habits, and includes a range guide.