- Libro electrónicoThe Most Good You Can DoPeter Singer
- Libro electrónicoPushing Time AwayPeter Singer
- Libro electrónicoWritings on an Ethical LifePeter Singer
- Libro electrónico10th Anniversary Edition The Life You Can SavePeter Singer
- Libro electrónicoAnimal Liberation NowPeter Singer
- Libro electrónicoThe President of Good & EvilPeter Singer
- Libro electrónicoThe Expanding CirclePeter Singer
- Libro electrónicoThe Death of the AnimalPaola Cavalieri
- Libro electrónicoEthics in the Real WorldPeter Singer