"Introduction to Lockpicking" by Black Hat Kathy is a comprehensive guide that explores the art of non-destructive entry, providing historical context, essential tools, techniques, and advanced applications. It delves into the legal and ethical perspectives of lockpicking, offers insights into locksmithing as a profession, explores lockpicking in popular culture, and provides resources for hobbyists. Whether you're a locksmith, hobbyist, or simply interested in the subject, this book offers valuable knowledge and practical skills to enhance your understanding of lockpicking.