From the back:
These nine adventures take place in and around the Empire of Ilchania, with adventures for characters of all levels of power in a variety of situations as the Empire is threatened by rebellion and foreign invasion. This set of adventures is an excellent basis for a new and unusual campaign, with complete background and lots of scenarios for play. It will give players a chance to play in an unusual setting with adventures which offer exciting challenges.
User summary:
This box set includes reprints of the first nine adventures in the Jahannam series:
Kahldath the Messiah
The Maghrib
Demonspawn
Ravensgate
Double Doom
Corsairs of Cythera
Tower of the Stormlords
Mithraeum at Zergendeh
Hills of Binazmia