A huge stack of Pathfinder RPG manuals are available from $1 in the Humble Book Bundle

Humble Bundle has put together a huge collection of Pathfinder RPG books to celebrate the game’s 10th anniversary.

Pathfinder: Get The Ultimate Pathfinder Collection At Humble Bundle Right Now - Bell of Lost Souls

Humble RPG Book Bundle: Dungeons, Monsters & Dragons 5E by Frog God Games & Kobold Press

Become a Pathfinder Master with Humble RPG Bundle

Humble Book Bundle – Pathfinder 2nd Edition: Strength of Thousands Bundle – The Kind GM

Humble RPG Book Bundle: Pathfinder Second Edition by Paizo Inc.

Humble RPG Book Bundle: Pathfinder First Edition Character Options from Paizo Inc.

Pathfinder books are $1 each in this massive RPG Humble Bundle

Humble RPG Bundle: Pathfinder Second Edition Beginners Bundle by Paizo (pay what you want and help charity) : r/Pathfinder_RPG

Humble RPG Book Bundle – Pathfinder Monster Lore by Paizo – The Kind GM

Humble Book Bundle – Pathfinder Tales – The Kind GM

Humble Book Bundles – Pathfinder 1st Edition and Classic Traveller – The Kind GM

New Humble Bundle: Essential Character Management Tools for Pathfinder (Comes with a variety of 2e books) : r/Pathfinder2e