{"product_id":"books-thirty-studies-of-moderate-difficulty-by-rowsby-woof","title":"Thirty Studies of Moderate Difficulty","description":"This book contains studies in first, second, third, fourth and fifth positions, and offers much position-work practice. There is also practice of playing harmonics and double-stops, and some of the studies are cast in the form of pieces, such as the 'Barcarolle' and 'Homage to Bach'.","brand":"World of Books ","offers":[{"title":"Default Title","offer_id":53505074364689,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9781854720801.jpg?v=1778090474","url":"https:\/\/www.worldofbooks.com\/products\/books-thirty-studies-of-moderate-difficulty-by-rowsby-woof","provider":"World of Books ","version":"1.0","type":"link"}