Zim, Herbert Spencer

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

Picture and separate texts for two age levels explain simply what is inside of mines, caves, wells, volcanoes, mountains, and the earth in general.

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

An illustrated handbook of common fishes of North America, examining the characteristics, range, and description of twenty-two groups including herring-like fish, butterfly fishes and angelfishes, jacks, and sharks and rays.

Sections on turtles, lizards, snakes, alligators and crocodiles, frogs and toads, and salamanders give information on description, habits and range for each species common in the United States.

Describes some armored animals, such as the one-celled protozoa with a hard covering, the armadillo, and shellfish, and compares the effectiveness of this armor to other forms of animal protection.

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