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{
"item_title" : "How Does a Helicopter Work?",
"item_author" : [" Sarah Eason "],
"item_description" : "For hundreds of years, artists have designed theoretical helicopters, but it was not until the 1940s that the dream of an aircraft that could hover and move vertically rose up from the drawing board into the real world. This book looks at the aerodynamics of helicopters and some of the latest models, and is fully loaded with fun features such as sidebars, fact boxes, and cool cutaways.",
"item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/43/393/465/1433934655_b.jpg",
"price_data" : {
"retail_price" : "28.67", "online_price" : "28.67", "our_price" : "28.67", "club_price" : "28.67", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : ""
}
}
Overview
For hundreds of years, artists have designed theoretical helicopters, but it was not until the 1940s that the dream of an aircraft that could hover and move vertically rose up from the drawing board into the real world. This book looks at the aerodynamics of helicopters and some of the latest models, and is fully loaded with fun features such as sidebars, fact boxes, and cool cutaways.
This item is Non-Returnable
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Details
- ISBN-13: 9781433934650
- ISBN-10: 1433934655
- Publisher: Gareth Stevens Publishing
- Publish Date: January 2010
- Dimensions: 10.1 x 7.9 x 0.3 inches
- Shipping Weight: 0.7 pounds
- Page Count: 32
- Reading Level: Ages 8-11
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