{"version":"1.0","type":"link","provider_name":"Hardcover","provider_url":"https://hardcover.app","cache_age":86400,"title":"The Black Circle","url":"https://hardcover.app/books/the-black-circle","description":"A mysterious telegram sends Amy and Dan Cahill off to Russia, where they search for a treasure stolen by the Nazis, the truth about the end of the Romanov dynasty, and information about the death of their parents.","author_name":"Patrick Carman","author_url":"https://hardcover.app/authors/patrick-carman","thumbnail_url":"https://assets.hardcover.app/edition/31988922/4789ca70-faeb-472f-a95e-a7d13020e3a7.jpg","thumbnail_width":658,"thumbnail_height":1000}