{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A key to the exercises and examples contained in a Text-book of Euclid's elements. Books I.- VI. and XI","author_name":"H S. 1848-1934 Hall","thumbnail_url":"https://www.ebooknetworking.net/books/114/936/big1149369515.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1149369515.html\">A key to the exercises and examples contained in a Text-book of Euclid&#039;s elements. Books I.- VI. and XI</a>","width":400,"height":300}