Dive into the roleplaying worlds of Chaosium in this Humble Bundle ebook bundle full of roleplaying adventures, environments, and rulebooks! Get started with the fundamentals in instructional manuals like Basic Roleplaying: Universal Game Engine and Basic Roleplaying: Creatures! Enter the demi-monde and solve magical mysteries in Rivers of London! Turn back the clock to the age of heroes in Age of Vikings! This bundle has all the sourcebooks, outlines, and creation manuals to guide you on your adventures, so grab it now at the price of your choosing and support the World Wildlife Fund with your purchase!

From Rivers to Fjords, Explore the Worlds of Basic Roleplaying has a retail value of $155 and you can get all 14 items for $18.