{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Symmes's Theory Of Concentric Spheres: Demonstrating That The Earth Is Hollow, Habitable Within, And Widely Open Abut The Poles (1826)","author_name":"A Citizen Of The United States, John Cleves Symmes, James McBride","thumbnail_url":"https://www.ebooknetworking.net/books/112/098/big1120982138.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1120982138.html\">Symmes&#039;s Theory Of Concentric Spheres: Demonstrating That The Earth Is Hollow, Habitable Within, And Widely Open Abut The Poles (1826)</a>","width":400,"height":300}