D&D General Bundle of Holding includes Ultimate Toolbox and Worlds Largest Dingeon

[darjr]

It’s the Ultimate Toolbox that is the gem here, imho.

Bundle of Holding - The world is less large

bundleofholding.com

 

[aco175]

Your title says largest Dingeon, FYI

Most of the titles are from D20 and 3e but are still valuable today. I always liked the War and Empire books.