{"product_id":"9781433252570","title":"No One You Know","description":"\u003cp\u003eTwenty years ago, Ellie Enderlin’s sister, Lila, a brilliant mathematician, was murdered in a crime that was never solved. In the aftermath of her sister’s death, Ellie entrusted her most intimate feelings to a man who turned the story into a bestselling true crime book — a book that both devastated her family and identified one of Lila’s professors as the killer.\u003c\/p\u003e\u003cp\u003eDecades later, Ellie receives a piece of evidence never found with her sister’s body: a notebook of Lila’s filled with mathematical formulas. It will lead her to a hundred-year-old mathematical puzzle, to a lover no one knew Lila had, to the motives and fate of the man who profited from their family’s anguish...and to the deepest secrets even sisters keep from each other.\u003c\/p\u003e","brand":"Blackstone Audio, Inc.","offers":[{"title":"Default Title","offer_id":47094887842032,"sku":"9781433252570","price":19.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781433252570_p0.jpg?v=1763752345","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781433252570","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}