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(0)Jason Cooper
21) Cactus
Author
Series
Summary
An introduction to cactuses, a plant family of some 2000 species which share the ability to store water.
24) Flags
Author
Summary
Describes the designs and symbolism of the flags that represent the fifty states and the District of Columbia.
27) Mushrooms
Author
Series
Summary
An introduction to the characteristics of mushrooms, how and where they grow, the different species, and their uses.
33) Tide pools
Author
Series
Summary
Describes how tide pools are formed, where they are found, and some of the plants and animals that live in them.
34) Valentine's Day
Author
Summary
An introduction to the history, purpose, and observance of Valentine's Day, when we share cards or gifts with the people we care about.
35) Strange plants
Author
Series
Summary
Describes a variety of unusual plants and plantlike forms, including air-plants, carnivorous plants, lichen, etc.
37) Sea plants
Author
Series
Summary
Describes some of the plants found in the oceans, in salt marshes, and along the seashore and their importance to the ecology.
38) Magnets
Author
Series
Summary
Provides a simple discussion of natural magnetic force, electromagnets, and magnetic fields.
39) Sound
Author
Series
Summary
Provides a simple discussion of sound waves, frequencies, and the uses of radar and sonar.
40) Light
Author
Series
Summary
Provides a simple discussion of the sources and kinds of light, colors, and how eyes see.