The Ethical Slut, Third Edition is a comprehensive paperback guide authored by Janet W. Hardy and Dossie Easton, spanning 320 pages. This updated edition reflects modern attitudes toward polyamory, open relationships, and the various freedoms in love and sex. Known as the "Poly Bible," it provides valuable insights into maintaining successful non-monogamous relationships through open communication, emotional honesty, and safer sex practices. The book includes interviews with younger generations who navigate nontraditional relationships, discussions on conflict resolution, and new content addressing diverse relationship dynamics, including nonbinary language and contemporary terms. Published by Penguin, this guide serves as an essential resource for anyone interested in exploring ethical non-monogamy.