Been playing and running 5e since the playtest. Im switching to 3.5 and have amassed a modest collection of books. I'm pretty excited about running it soon. Happy gaming! : r/DungeonsAndDragons
5e Tools | Breaking the 4th Wall
Tools of the Lazy Dungeon Master: SlyFlourish.com
Atticus' Guide to Artisan's Tools: Expand the Power of the Mundane in your World! : r/UnearthedArcana