chapter 1 The Beginnings -- chapter 2 Firearms Legislation and the Definition of a Firearm -- chapter 3 Marks and Microscopy: The Emergence of a New Science -- chapter 4 Manufacture, Mechanisms and Design Aspects of Firearms -- chapter 5 Internal Ballistics -- chapter 6 External Ballistics and Cartridge Loadings -- chapter 7 Terminal/Wound Ballistics and Distance of Firing -- chapter 8 The Scene of the Shooting Incident -- chapter 9 Examination of Exhibits at the Laboratory -- chapter 10 Presentation of Evidence to the Courts -- chapter 11 Proof Marks and the Proof of Firearms.