How Do Helicopters Work?

eAudio - unabridged
Audio (0.05 hours)
Product Number: Z100131004
Released: Oct 31, 2017
Business Term: Purchase
ISBN: #9781512446968
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Helicopters can take off from almost anywhere and change directions quickly. They can even hover. But how do they stay in the air? And how do pilots control these special aircraft? Read this book to find out!

Author(s): Jennifer Boothroyd
Original Publish Date: Jan 01, 2017

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