{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Navigation and Nautical Astronomy, Eighth Edition : A Textbook on Navigation and Nautical Astronomy","author_name":"Commander Benjamin Dutton","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0W7/bigB000W7C568.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000W7C568.html\">Navigation and Nautical Astronomy, Eighth Edition : A Textbook on Navigation and Nautical Astronomy</a>","width":400,"height":300}