{"product_id":"books-less-than-zero-by-stuart-j-murphy","title":"Less Than Zero","description":"Perry the Penguin needs 9 clams to buy an ice scooter -- but he's not very good at saving. As Perry earns, spends, finds, loses, and borrows clams, a simple line graph demonstrates the concept of negative numbers.","brand":"World of Books ","offers":[{"title":"Default Title","offer_id":67605679309073,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9780060001261.jpg?v=1790783269","url":"https:\/\/www.worldofbooks.com\/products\/books-less-than-zero-by-stuart-j-murphy","provider":"World of Books ","version":"1.0","type":"link"}