Level up your TTRPG life-stats (+10) with The Ultimate Guide to Tabletop RPGs, Worldbuilding, and Folklore bundle from Humble! 
Add new tabletop RPG skills, techniques, and knowledge to your gaming toolbelt with these 27 DRM-free ebooks. Discover exciting insights from ebooks like Ultimate RPG Game Master's Guide, Norse Mythology: The Gods, Goddesses, and Heroes Handbook, and much more.
The Ultimate Guide to Tabletop RPGs, Worldbuilding, and Folklore by Adams Media
Pay what you want for an unbeatable collection of TTRPG themed books on Norse Mythology, RPG trivia, Game Master guides, and more!
Humble Bundle (www.humblebundle.com)