The horrifying exposé of the Pegasus spyware and its effects on privacy, human rights, and democratic principles is found in "Pegasus: How a Spy in Your Pocket Threatens the End of Privacy, Dignity, and Democracy" by Laurent Richard and Sandrine Rigaud. The book conducts in-depth research to demonstrate the scope of monitoring and cyber-espionage, revealing the potential hazards to people and societies around the world. It exhorts readers to critically assess how such technologies affect individual liberties and the state of democracy in the digital age.