The Prison in Building 9: How Power Corrupts Ordinary People — The Experiment That Shocked the World (The Experiment Series)

What would you become if someone handed you a uniform, a whistle, and total power over other human beings?

In the summer of 1971, a psychologist named Philip Zimbardo converted the basement of Stanford University's Building 9 into a makeshift prison. Twenty-four ordinary, psychologically healthy young men were randomly assigned roles — half became guards, half became prisoners. The experiment was supposed to last two weeks. It had to be shut down after six days.

What happened in between is one of the most disturbing, controversial, and revealing stories in the history of human psychology.

The Prison in Building 9 walks you through every day of that experiment — the arrests at dawn, the first acts of cruelty, the prisoner rebellion on Night Three, and the moment the researcher himself lost sight of the line between scientist and prison superintendent. Written in an engaging, factual-fun style for curious minds, this book makes cutting-edge psychology feel like a thriller you can't put down.

You'll also go beyond the experiment itself, exploring:

• The science of dehumanization — how and why we strip people of their humanity when given power
• The psychology of roles — why good people do terrible things when wearing a uniform
• Real-world evidence of power corruption across history, institutions, and everyday life
• The ethical firestorm that followed — and what it changed about how science treats human subjects
• What these findings mean for you — in your workplace, your relationships, and society

This is not just a history lesson. It is a mirror. And what it reflects about human nature is both unsettling and essential to understand.

Bilingual edition — available in English and Spanish. Includes PDF and EPUB formats for all devices.