{"product_id":"the-master-keys-a-painters-treatise-on-the-pictorial-technique-of-oil-painting-9781440121975","title":"The Master Keys: A Painter's Treatise on the Pictorial Technique of Oil Painting","description":"Painting is not a vagabond's craft. From the 15th through the 17th Centuries, painters studied past techniques in order to evaluate the possibility of improvement through a process of logical progression. This book is divided into chapters (Keys) that explain each a major step forward in technique and propose the master to whom credit should be given.\u003cbr\u003e","brand":"iUniverse","offers":[{"title":"Default Title","offer_id":50850211791122,"sku":"9781440121975","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_5f93752e-15f1-422d-b21e-657beaa44744.jpg?v=1737408243","url":"https:\/\/surprise-castle.myshopify.com\/products\/the-master-keys-a-painters-treatise-on-the-pictorial-technique-of-oil-painting-9781440121975","provider":"Surprise Castle","version":"1.0","type":"link"}