Dark Warning

Dark Warning is a standalone novella written by Lachlan Douglas and published by Douglas Publishing Productions. It takes place in 17 BBY during the Great Jedi Purge. It is slated for release on August 12, 2010.

Official description
Obi-Wan Kenobi is on a mission. Along with former Jedi apprentice Ferus Olin and a headstrong kid named Trever, he is trying to keep the Jedi's most import secret from the Empire. Along the way, they discover some incredible news: Obi-Wan and Yoda are not the only Jedi to have survived the Empire's annihilation of the Jedi Order. There is at least one other and he is hiding in the Cave of Iium, a place Where nightmares became reality and dark warnings tell of conflicts to come.