{"product_id":"9781782501480","title":"Sign of the Black Dagger","description":"One day, Will and Lucy's dad just ... vanishes.They have no idea why he's disappeared until a creepy stranger reveals their dad was keeping a BIG secret. Then there's the second clue: an old diary they find hidden in the walls of their Royal Mile house, with a sinister black dagger on it. Will and Lucy must solve a mystery that's over two hundred years old if they want to find their dad and bring him home. But can they find the answers in time to rescue him?","brand":"Floris Books","offers":[{"title":"Default Title","offer_id":47152265298160,"sku":"9781782501480","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781782501480_p0.jpg?v=1763720298","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781782501480","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}