{ "item_title" : "Understanding Wind Power", "item_author" : [" Polly Goodman "], "item_description" : "Humans have been using wind as a source of power for thousands of years for inventive purposes, including using it to propel sailboats. Today, large wind farms are able to harness the power of the wind and transfer it into electricity. Wind power accounts for around 2% of the world's energy usage, so there is much more to be utilized with this source. This book examines how wind farms work, as well as important topical information on this valuable natural resource.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/1/43/394/133/1433941333_b.jpg", "price_data" : { "retail_price" : "34.60", "online_price" : "34.60", "our_price" : "34.60", "club_price" : "34.60", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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