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.
Han Solo has entered the space race of his dreams—the DRAGON VOID! But he's on an undercover mission—to find a traitor within the Rebellion. Teamed with Wookiee warrior Chewbacca, will they be able to find the mole before trouble finds them?