Since its original publication in 1975, this groundbreaking work has awakened millions of people to the existence of "speciesism"-our systematic disregard of nonhuman animals-inspiring a worldwide movement to transform our attitudes to animals and eliminate the cruelty we inflict on them.

In Animal Liberation, author Peter Singer exposes the chilling realities of today's "factory farms" and product-testing procedures-destroying the spurious justifications behind them, and offering altern ...