3.哈利波特與阿茲卡班的囚徒
Harry Potter and the Prisoner of Azkaban, 2004
弗雷德和喬治給了哈利活點地圖,使得三人對于學校中所有人的行蹤一目了然,還發現了得以潛伏出學校的密道。
Fed and George Weasley give Harry their Maraunder's Map, which allows the trio to see every person's location at Hogwarts and also reveals useful secret passageways.