{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Jeweler's Resource : A Reference of Gems, Metals, Formulas and Terminology for Jewelers (Revised Edition) (Jewelry Crafts)","author_name":"Bruce G. Knuth","thumbnail_url":"https://www.ebooknetworking.net/books/096/435/big0964355035.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0964355035.html\">Jeweler&#039;s Resource : A Reference of Gems, Metals, Formulas and Terminology for Jewelers (Revised Edition) (Jewelry Crafts)</a>","width":400,"height":300}