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By: Decorations by Michael McCurdy.
Contributors: McCurdy, Michael, illus.
Publisher: Houghton Mifflin Company
Published: 1973
Place of publication: [Boston]
Language: eng
Number of pages: 210
Subjects: Science -- Juvenile literature; Science; Questions and answers
Description: Answers to questions in various scientific disciplines, e.g., "What are pulsars?", "Is the universe running down?", "What is the difference between a brain and a computer?", and "Why did the dinosaurs die off?".