Preface Introduction The First Step Toward Quantitative-Qualitative Analysis Ridgeology Revolution History of Friction Ridge Identification Primitive Knowledge Early Pioneers Scientific Researchers The Friction Ridge Medium Structure of Friction Skin Growth of Friction Skin The Identification Process Premises of Friction Ridge Identification Philosophy of Friction Ridge Identification Human Sight Methodology of Friction Ridge Identification Friction Ridge Analysis Friction Ridge Comparison Friction Ridge Evaluation Verification Poroscopy And Edgeoscopy Poroscopy Edgeoscopy Friction Ridge Analysis Report Ridgeology Study Key An Introduction To Palmar Flexion Crease Identification The Beginning Bibliography Glossary