{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The mastery of color. A simple and perfect color system, based upon the spectral colors, for educational purposes and practical use in the arts and crafts.","author_name":"Charles Julius Jorgensen","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2WG/bigB002WGJKLK.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002WGJKLK.html\">The mastery of color. A simple and perfect color system, based upon the spectral colors, for educational purposes and practical use in the arts and crafts.</a>","width":400,"height":300}