TrailOfCthulhu-RulebookToday, Pelgrane Press announced a huge sale on the Cthulhu Mythos collection. From today until June 16, you can get 75 percent off of the entire set at Bundle of Holding.

The Cthulhu Mythos is based on Pelgrane Press’s Gumshoe system. Players use clues at hand to figure out how to solve the mystery.

The four items in the starter collection, Trail of Cthulhu rulebook, Stunning Eldritch Tales, Keepers Resource Book and Screen, and Four Shadows MP3 retail for $43, but they are available at Bundle of Holding for only $9.95. Plus, if you pay more than the threshold price of $23.05, you can get six additional supplements, including The Armitage Files, Bookhounds of London, The Book of The Smoke, Arkham Detective Tales, Rough Magicks, and Hideous Creatures: Shoggoth, which retail for $68. That’s a total of $111 worth of materials for only $23.

Ten percent of the money from purchases made during the Bundle of Holding sale will go to Cancer Research UK. You have until June 16 to buy. Purchases will automatically be added to your DriveThruRPG library.