{ "item_title" : "Pulleys", "item_author" : [" Marie Miller "], "item_description" : "Readers learn all about pulleys--the simple machines that help lift heavy objects. Pulleys are also used to change the direction of a pulling motion. If you've sent a flag up a flagpole, you've used a pulley. The science behind pulleys is explained through accessible text, including a helpful glossary of important terms. Vibrant photographs allow readers to see firsthand how these simple machines work, and a graphic organizer provides important facts in an eye-catching way. This book presents essential science concepts through creative methods, engaging readers.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/43/398/141/1433981416_b.jpg", "price_data" : { "retail_price" : "25.27", "online_price" : "25.27", "our_price" : "25.27", "club_price" : "25.27", "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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