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.
Rebel pilot and rogue archaeologist wander side by side into the darkest shadows of the galaxy as Luke Skywalker reluctantly teams up with Doctor Aphra! The Doctor makes Luke an offer he can't afford to pass up…one that leads him to a very rare gathering at the heart of the infamous Screaming Citadel. Will Luke find what he's looking for? Can Aphra be trusted? Or will they both wind up victims of the Citadel's Queen?