From publisher blurb:
As a result of the Hillfolk Kickstarter, the GUMSHOE is now available under two open licenses; the Open Gaming License and the Creative Commons 3.0 Attribution Unported License.
The document is a reference for game designers, and is not tuned to teach the game, or provide a playable game experience.
Natter, DexCon 18 Write-up
All About Me (personal update and Justice Alliance game note); Igtheme: Tailored Adventures; Musings: V&V +