Probably the single most influential document in the history of ... animal welfare - Guardian

If I have to pick the book that had the most impact on me, I would say Peter Singer's Animal Liberation, since I instantly became a vegetarian after reading it -- Jane Goodall

An extraordinary book which has had extraordinary effects ... It galvanised a generation into action - Independent on Sunday

Widely recognized as the foundational text within the animal liberation movement, Peter Singer's Animal Liberation opened my eyes to the radical philosophy that all animals are worthy of equal consideration. Singer's latest, Animal Liberation Now, will motivate a new generation of readers who are resolutely committed to creating a just society for all -- Joaquin Phoenix

The indispensable foundational text for the movement, new and updated with the honesty and philosophical depth characteristic of all of Singer's work -- J. M. Coetzee

Peter Singer has been called the most influential philosopher alive. He is professor of bioethics at Princeton University and has published numerous books, including The Life You Can Save (2009), The Most Good You Can Do (2015) and Ethics in the Real World (2016). He became well known internationally after the publication of Animal Liberation in 1975 and has been a leading thinker and campaigner in the field of animal rights ever since. Animal Liberation was included in TIME Magazine's list of 100 Best Nonfiction Books published since 1923. In 2012 Singer was made a Companion of the Order of Australia, his country's highest civilian honour, and in 2021 he was awarded the Berggruen Prize for Philosophy and Culture.