{"product_id":"2940014359948","title":"The Sign of Four","description":"The Sign of Four is the second novel featuring Sherlock Holmes written by A. Conan Doyle. The Sign of Four has a plot involving service in East India Company, India, the Indian Rebellion of 1857, a stolen treasure, and a secret pact among four convicts (\"the Four\") and two corrupt prison guards. It presents the detective's drug habit and humanizes him in a way that had not been done in A Study in Scarlet. It also introduces Doctor Watson's future wife, Mary Morstan.","brand":"Baxter St.","offers":[{"title":"Default Title","offer_id":47070521327856,"sku":"2940014359948","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940014359948_p0.jpg?v=1763606950","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940014359948","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}