{"product_id":"9781338252804","title":"Harry Potter: The Marauder's Map Guide to Hogwarts by Jenna Ballard","description":"\"I solemnly swear that I am up to no good.\"      For the first time, readers can relive all the movie magic of      the Harry Potter series with this beautiful guidebook to the secrets      of Hogwarts, complete with four foldout pages containing portions      of the map.         When fans are finished poring over the text, they can open up      the wand, which doubles as an invisible ink marker      and light. The light reveals invisible ink secrets on      the foldout Marauder's Map pages, while the pen can help      readers create their own magical map, using the blank parchment      included at the back of this book.         When all is said and done, this spellbinding guide is sure to      have fans saying, \"Mischief managed.\"\u003cbr\u003eBinding: Hardback","brand":"Gardners","offers":[{"title":"Default Title","offer_id":43204217569458,"sku":"9781338252804","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/7193\/3106\/products\/9781338252804.jpg?v=1705413847","url":"https:\/\/backstory.london\/products\/9781338252804","provider":"Backstory","version":"1.0","type":"link"}