People in the story/故事中的人物 Placesinthe story/故事中的地点 Before reading/读前思考 Chapter 1 Is Billy Marr telling the truth?/比利·马尔说的是实话吗? Chapter 2 AdiscoveryonCaltonHill/卡尔顿山上的发现 Chapter 3 Another talk with Billy Marr/和比利·马尔的另一番谈话 Chapter 4 Student life/学生生活 Chapter 5 Clare Rutherford’S supervisor/克莱尔·卢瑟福的导师 Chapter 6 Getting help/获得帮助 Chapter 7 Another student disappears/另一名学生失踪了 Chapter 8 The party at Hope Terrace/希望街的聚会 Chapter 9 Another talk with David Balfour/和戴维·巴尔弗的另一番谈话 Chapter 10 Crossing the city/穿过城市 Chapter 11 A slow investigation/一项缓慢的调查 Chapter 12 AneveningonTheMeadows/梅多斯绿地的一晚 Chapter 13 Computer technology/计算机技术 Chapter 14 WhereisInspectorLogan?,洛根督察去哪儿了? Chapter 15 Grant and Graham investigate/格兰特和格雷厄姆的调查 Chapter 16 Catching a murderer/抓捕凶手 Chapter 17 What Billy Marr really did/比利·马尔实际上做了什么 After reading/读后活动 Learning guide/学习指导 Translation/参考译文