Helicopter Man: Igor Sikorsky and His Amazing Invention
by Wyckoff, Edwin Brit
Series:Genius at Work! Great Inventor Biographies
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AR Book Level
4.8
AR Points
0.5
Word Count
2,022
Interest Level
Lower Grades (LG K-3)
Genre
Nonfiction
AR Quiz #
140306 EN
About this book
This biography presents the life of inventor Igor Sikorsky, discussing how he built the first successful helicopter.