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Cover of Animal Liberation: A New Ethics for Our Treatment of Animals by Peter SingerAnimal Liberation: A New Ethics for Our Treatment of Animals
Classic · Nonfiction, Classics

Animal Liberation: A New Ethics for Our Treatment of Animals

by Peter Singer
1975 · 336 pages · Nonfiction
Critics' pick
≈ 8 hours to read · about 2 weeks at 30 minutes a day

What it's about

How should we treat animals? Philosopher Peter Singer argues that the suffering of animals deserves equal moral consideration, and that factory farming and much animal testing can't be justified. Backed by evidence from farms and laboratories, his reasoning helped launch the animal rights movement.

Why it's worth reading

It's on TIME's list of the 100 best nonfiction books. It's often called the bible of the animal liberation movement, and it changed how millions of people think about what they eat.

You'll love it if you liked

Good to know

Its descriptions of animal experiments and factory farms are disturbing. The newer edition, Animal Liberation Now, is updated.

By the numbers

77.6Must-Read Score
  • Readers79 out of 100 · counts 42%
  • Critics59 out of 100 · counts 34% (its stronger lane)
  • Bestseller10 out of 100 · counts 14%
  • Buzz0 out of 100 · counts 10%

Critics and Bestseller are two ways to earn a place: a book's stronger one counts more. Buzz rewards recent bestseller weeks and prizes, so older books start at zero. The parts combine into the Must-Read Score, shown on a scale where the best book we found scores 99 and the last book to make the ranking scores 50.

Where it ranks

Why it made the list

On the lists
TIME All-TIME 100 Nonfiction

Reads as

Thought-provoking

How we rank

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Quick answers

Is Animal Liberation: A New Ethics for Our Treatment of Animals worth reading?

Yes. It's on TIME's list of the 100 best nonfiction books. It ranks #561 of the 2,816 books in our ranking, with a Must-Read Score of 77.6 (the best book we found scores 99).

What is Animal Liberation: A New Ethics for Our Treatment of Animals about?

How should we treat animals? Philosopher Peter Singer argues that the suffering of animals deserves equal moral consideration, and that factory farming and much animal testing can't be justified. Backed by evidence from farms and laboratories, his reasoning helped launch the animal rights movement.

How long does it take to read Animal Liberation: A New Ethics for Our Treatment of Animals?

About 8 hours (336 pages), or about 2 weeks at 30 minutes a day.

What should I read after Animal Liberation: A New Ethics for Our Treatment of Animals?

If you liked it, try Silent Spring by Rachel Carson, The Omnivore's Dilemma: A Natural History of Four Meals by Michael Pollan or A Brief History of Time by Stephen Hawking.