From the publisher's website:
Jonathan Roberts, cartographer for George R.R. Martin's The Lands of Ice and Fire, Kobold Quarterly, and The Breaking of Forstor Nagar, presents another Fantastic Map: Illfrost: Stockade.
This multi-page PDF allows you to print out the battlemap at a 1 square=1 inch scale as a letter-format or A4 map and is also available in a printer-friendly light grayscale version. The pack also contains a JPG of the map with grid and a MapTool file set up for quick use in a 4E, PFRPG, or any OGL game. The MapTool file requires MapTool 1.3b86 or newer to work.