Marian B. Jacobs Books
Why Is the Sky Blue? (Library of Why)
By Marian B. Jacobs, Nancy Ellwood
Discusses the atmosphere, wavelengths of light, clouds, rainbows, and what causes the sky to be different colors.
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Why does it rain?
By Marian B. Jacobs, Nancy Ellwood
Provides answers to such questions about the weather as "What is the atmosphere?", "How does water get into the clouds?", "What makes lightning happen?", and "What is the water cycle?"
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Why Do Airplanes Fly? (The Library of Why)
Provides answers to such flight-related questions as "How do airplane wings work?" "What is thrust?" and "How do helicopters fly?"
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Why do leaves change color?
By Marian B. Jacobs, Nancy Ellwood
Provides answers to such questions about trees as "How do trees grow?", "How do trees change with the season?", and "How do leaves make food for the tree?"
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Why Did the Dinosaurs Become Extinct? (Library of Why)
By Marian B. Jacobs, Nancy Ellwood
Discusses scientific theories regarding the disappearance of the dinosaurs including disease, climate changes, starvation, and a meteor collision.
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Coping with hereditary diseases
Examines common hereditary diseases and ways of avoiding them, discussing diabetes, heart disease, cancer, alcoholism, and the exploration of one's family medical tree.
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