Released as the promotional adventure for Worldwide D&D Game Day May 2009 (Monster Manual 2).
From the back of the module:
Ancient Rites And Fell Magic
A kobold wyrmpriest has stolen an ancient book of prophecy from the people of Albura, a fortress on the borderlands. The kobold has a dark plan for the book - and only you can stop him in time!
This Dungeons and Dragons adventure is designed for five characters of 5th level, but contains notes on adjusting the adventure for groups of four to six characters. Specifically created for Worldwide D&D Game Day, this adventure includes a full-color poster map, encounter write-ups, monster stat blocks, enemy tactics, and even stats for new monsters to be released in the upcoming Monster Manual 2.