Singer, Peter, 1946- Why vegan? / Peter Singer. - 1 volume ; 19 cm. - Penguin great ideas . ISBN: 9780241472385 (pbk.) : £5.99 £4.99 Nat. Bib. No.: GBC081332 bnb Nat. Bib. Agency Control No.: 019834107 Uk Subjects--Topical Terms: Animal welfare--Moral and ethical aspects.Veganism. Dewey Class. No.: 179.3