
revised and enlarge edition; plant, rock, soils, ASTRONOMY, FOSSILS, AIR, WEATHER, WATER, MACHINES, FORCES, SOUND, HEAT, MAGNETISM, ELECTRICITY, LIGHT, HUMAN BODY, COLOR, PUMPS, SCREW, MOTION
Page Count:
250
Publication Date:
1962-01-01
Publisher:
Doubleday
ISBN-10:
0385063547
ISBN-13:
9780385063548
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