{"product_id":"the-sign-of-the-four-9781619491731","title":"The Sign of the Four","description":"Several years after the mysterious disappearance of her father, Mary Morstan discovers an advertisement in a local paper requesting her own address. Her employer advises her to reveal it, and when she does she receives a valuable pearl by post. Presented with these facts and little else, Sherlock Holmes and Dr. Watson must unravel a mystery involving stolen treasure, political rebellion, India, and a pact made by four convicts, in Arthur Conan Doyle's second Sherlock Holmes novel.\u003cbr\u003e","brand":"Empire Books","offers":[{"title":"Default Title","offer_id":50493035806994,"sku":"9781619491731","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_c2b3ab86-93a8-4834-8690-ec273626abe9.jpg?v=1730623032","url":"https:\/\/surprise-castle.myshopify.com\/products\/the-sign-of-the-four-9781619491731","provider":"Surprise Castle","version":"1.0","type":"link"}