14 books
Swords & Wizardry White Box Rules
City Encounters - Swords & Wizardry
Death Ship of the Roach Princess 5e
Death Ship of the Roach Princess SW
Cat's Cradle
Tome of Alchemy 5e
Tome of Alchemy PF
Grand Duchy of Reme
Cyclopean Deeps Volume 2 - Swords & Wizardry
Fane of the Fallen - Swords & Wizardry
Cyclopean Deeps Volume 1 - Swords & Wizardry
Borderland Provinces - Swords & Wizardry
Borderland Provinces - 5th Edition
Fifth Edition Foes