From donor email:
An Ithaquan scenario by Jason Morningstar, using the methods outlined in Stealing Cthulhu. You can play it with Cthulhu Dark or any Lovecraftian RPG.
Published in The Unspeakable Oath (Issue 21 - Jul 2012): Sukakpak (p. 9-15)
This was also available separately as a backer reward in the Stealing Cthulhu preorder campaign on Indiegogo in 2011.