https://www.froggodgames.com/swords-wizardry-pdf-bundle
- Tier 1 ($1) - Swords & Wizardry Complete Rulebook, Bill Webb's Book of Dirty Tricks,The Black Monastery , Quests of Doom , Cults of the Sundered Kingdoms, Grimmsgate
Tier 2 ($8) - All of Tier 1 plus Rappan Athuk , Against Tsathogga, Cyclopean Deeps 1-2, 1975
Tier 3 ($15) - All of the above plus Mother of All Treasure Tables, Splinters of Faith 1-10