This 48-page booklet released at Gen Con 2008 combined three (formerly) web-only offerings and one preview of an (as yet unreleased) upcoming product line:
Warrior-Mages of the Wilderlands provides details on a multi-class of Fighter and Wizard for use with Castles & Crusades and the Wilderlands of High Adventure;
Sorcerers of the Wilderlands provides details on Sorcerers, those who make pacts with Demons, learn the arts of summoning, and act as the Demon Gods champions in the Wilderlands;
Monsters & Treasures of the Wilderlands 1 includes 16 new monsters and 16 new treasures native to the Wilderlands of High Adventure for use with Castles & Crusades (available separately in PDF in expanded and revised form, see AGP00201);
The Valley of the Dead Queens is a preview of the upcoming Sandbox Module line, and includes maps of hexes 04:0714 and 04:0715, details of what is to be found there, and a map of the hamlet of Cragfalls, a hamlet in hex 04:0715, along with descriptions of about half the locations in the village, including background and specific individual information.