BBY/ABY is used to position items along the Star Wars Timeline. BBY refers to Before the Battle of Yavin. ABY refers to After the Battle of Yavin. The Battle of Yavin in Episode IV: A New Hope occured in 0 BBY/ABY.
As the search for Raynar Thul's father continues, the young Jedi Knights turn for help to a most unusual—and dangerous—source: the reprogrammed assassin droid IG-88. They think they can keep him under control. But can one of the most feared bounty hunters in the galaxy be trusted?