A Living Greyhawk core series set in the lands around the Woolly Bay and a homage to the classic TSR series A 1-4 Scourge of the Slavelords.
The series has two prequels:
COR5-05 A Marked Man
COR5-12 Return to the Undercity
The series itself consist of:
COR6-12 The Calm Before The Storm
COR7-05 City of Malice
COR7-19 Wrath of the Slavelord