101 Spy Gadgets For The Evil Genius May 2026

: Most projects can be constructed for roughly $30 or less .

: Phone number decoders, "spammer jammers," and voice changers. 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 : Most projects can be constructed for roughly $30 or less

: 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: and phone voice changers—using inexpensive

: Laser spy devices and remote control hijackers.