How does a helicopter work? / Eason, Sarah

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ISBN13: 
9781433934650
9781433934667
Compare Title: 
howdoesahelicopterwork
Call Number: 
629.13

How does a helicopter work?

2010
With the help of cutaways, diagrams, fact boxes, and side bars, this book tells about helicopter flight and the technology that makes it possible.
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