Inventions & Discoveries(English, Paperback, Wonder House Books)
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How did scientists figure out the universe and its cosmic secrets? Who was the first human to land on moon? What was the name of the first man-made satellite? This Encyclopedia will answer these and more hows and whats for you. Learning is made simpler with well-labelled diagrams and an extensive glossary of difficult words. Bonus: The book comes loaded with Isn't It Amazing-a section of fun facts to keep you glued for more.