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How Do Helicopters Work?
Jennifer Boothroyd
Paperback (LernerClassroom, Jan. 1, 2013)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!
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How Do Helicopters Work?
Jennifer Boothroyd
Library Binding (Lerner Publications TM, Jan. 1, 2013)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!
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How Do Helicopters Work?: Lightning Bolt Books ® - How Flight Works
Jennifer Boothroyd, Intuitive, Lerner Digital â„¢
Audiobook (Lerner Digital â„¢, Jan. 23, 2020)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? Listen to this book to find out! Please note: The original source audio for this production includes noise/volume issues. This is the best available audio from the publisher.
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How Do Helicopters Work?
Jennifer Boothroyd
Paperback (Lerner Classroom, Feb. 1, 2013)None
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