More Than Two by Franklin VeauxThe Ethical Slut by Dossie EastonOpening Up by Tristan TaorminoSex at Dawn by Christopher  RyanStranger in a Strange Land by Robert A. Heinlein
Best Books for Polyamory
120 books — 198 voters

EXSTATICA Self-Help Essentials by FrankSorcerers' Dialogues by The Silver ElvesThe Secret Teachings of All Ages by Manly P. HallThrough the Mists of Faerie by The Silver ElvesA-Ma Alchemy of Love by Nataša Pantović
Occult
115 books — 75 voters