{ "item_title" : "The Science of Marbles", "item_author" : [" M. Schottenbauer "], "item_description" : "This book contains graphs showing the motion of marbles as they roll across surfaces freely and along tracks. Data on both force and motion are included for a subset of graphs. Data is provided for over 50 marbles and comparison balls. These data can be used for lesson plans by teachers and parents.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/49/477/972/1494779722_b.jpg", "price_data" : { "retail_price" : "18.00", "online_price" : "18.00", "our_price" : "18.00", "club_price" : "18.00", "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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