{"product_id":"9780545418386","title":"The Riddle of Zorfendorf Castle (The Secrets of Droon #25)","description":"With nearly 2 million books in print, this Little Apple series is H-O-T, hot. The SECRET is out -- DROON is the series that kids, parents, and teachers are talking about!  There's only one passage between the Upper World and Droon -- the magical rainbow staircase. At least, that's what Eric and his friends have always believed. But now Ko and his beasts are attacking Zorfendorf Castle, a magical fortress that's hiding a huge secret: the Fifth River, another passage to the Upper World. Ko will do anything to get to the river -- and to the Upper World. And Eric, Julie, Neal, and Keeah will do anything to stop him!","brand":"Scholastic, Inc.","offers":[{"title":"Default Title","offer_id":47162826064112,"sku":"9780545418386","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780545418386_p0.jpg?v=1763714478","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780545418386","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}