{"product_id":"the-clue-of-the-black-keys-nancy-drew-mystery-stories-book-28","title":"The Clue of the Black Keys (Nancy Drew Mystery Stories, Book 28)","description":"214 pp. Blue tweed, Nancy Drew in flats silhouetted in navy blue on front cover, silhouette endpapers. Terry Scott, a young archaeology professor, seeks Nancy's help in unearthing a secret of antiquity which can only be unlocked by three black keys. While on an archaeological expedition in Mexico, Terry and Dr. Joshua Pitt came across a clue to buried treasure. The clue was a cipher carved on a stone tablet. Before the professor had time to translate the cipher, the tablet disappeared  -  along with Dr. Pitt!","brand":"Grosset \u0026 Dunlap","offers":[{"title":"Default Title","offer_id":44364662603846,"sku":"2351611","price":25.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1232\/9510\/files\/2351611.jpg?v=1766580280","url":"https:\/\/ym-demo.myshopify.com\/products\/the-clue-of-the-black-keys-nancy-drew-mystery-stories-book-28","provider":"Yesterday's Muse","version":"1.0","type":"link"}