{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Admiralty Manual of Hydrographic Surveying NP134b (1), (2), (4) Volume Two - Chapters 1, 2 & 4","author_name":"Hydrographer of the Navy","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B004QGX2C2.html\">Admiralty Manual of Hydrographic Surveying NP134b (1), (2), (4) Volume Two - Chapters 1, 2 &amp; 4</a>","width":400,"height":300}