: The second edition also focuses on privacy, teaching users how to detect and disable snooping devices. Sample Projects The book is divided into several thematic parts:
: Portable alarm systems and camera flash tasers. Product Information 101 Spy Gadgets for the Evil Genius - Amazon.in 101 Spy Gadgets for the Evil Genius
is a DIY project book by Brad Graham and Kathy McGowan , published by McGraw-Hill TAB . It provides step-by-step instructions for building functional espionage tools—such as night vision viewers, hidden cameras, and phone voice changers—using inexpensive, easily obtainable electronic components. Core Features & Content : The second edition also focuses on privacy,
: Phone number decoders, "spammer jammers," and voice changers. and phone voice changers—using inexpensive