{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Gymnastics for youth, or, A practical guide to healthful and amusing exercises for the use of schools: an essay toward the necessary improvement of education, chiefly as it relates to the body","author_name":"Johann Christoph Friedrich Guts Muths","thumbnail_url":"https://www.ebooknetworking.net/books/114/938/big1149387289.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1149387289.html\">Gymnastics for youth, or, A practical guide to healthful and amusing exercises for the use of schools: an essay toward the necessary improvement of education, chiefly as it relates to the body</a>","width":400,"height":300}