{ "item_title" : "The Science of Sound Waves", "item_author" : [" Robin Johnson "], "item_description" : "This engaging book describes the properties of sound waves, how they move, and the way our ears catch them. Readers will learn how sound waves travel through different mediums and be amazed by the different ways sound waves are used in real life, such as for communication with animals and deep-sea exploration. A link to interactive activities online plus an activity in the book allow readers to experiment with sound waves to achieve different sounds. Teacher's guide available.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/0/77/872/941/0778729419_b.jpg", "price_data" : { "retail_price" : "30.60", "online_price" : "30.60", "our_price" : "30.60", "club_price" : "30.60", "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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