{ "item_title" : "The Science of Track and Field", "item_author" : [" Emilie DuFresne "], "item_description" : "There are many events in track and field, such as running, jumping over hurdles, and throwing the discus. The science behind these activities is explained in this high-interest guide. Supporting the engaging and educational narrative are diagrams that display concepts such as runners' starting angles, which help them prepare to execute a sprint. Momentum and gravity are explained in the context of these activities. Helpful fact boxes, graphic organizers, and full-color photographs supply extra information. Readers will understand how science can be applied in the real world.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/53/453/580/1534535802_b.jpg", "price_data" : { "retail_price" : "9.25", "online_price" : "9.25", "our_price" : "9.25", "club_price" : "9.25", "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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