How do helicopters work?

Including a diagram, fun facts, and colorful photographs, this book describes helicopters and how they perform. Each audio-enabled VOX Book has an audio reader with complete narration permanently attached inside the front cover. It's ready for listening directly from the book--no CD, no compute...

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Bibliographic Details
Main Author: Boothroyd, Jennifer
Format: READ-ALONG
Other Format: BOOK
Language:ENGLISH
Published: Produced by Cinnabar Media Ventures 2016
Series:Lightning bolt books. How flight works
Subjects: