This book brings together the latest techniques and developments in tool mark analysis and clearly explains their functions within forensic investigation. Each topic in the book stars with a simple review, followed by discussion of the concepts and practices in present use. This includes specialized examinations of specific tools, such as saws, and marks in complex materials such as skin and bone. Taking a non-technical tone and featuring a large range of illustrations and photographs, the book provides forensic scientists, students, and investigators with an invaluable resource.