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.
Rogue archaeologist Doctor Aphra barely escaped Darth Vader’s wrath. If the Dark Lord of the Sith ever learns that she still lives, he’ll hunt her to the ends of the galaxy. But for now, it’s time for a return to what Aphra does best! With killer droids Triple-Zero and BeeTee-One in tow, she’s off in search of the rarest of artifacts — as long as she can stay one step ahead of the Empire, bounty hunters…and just about everyone else! But soon, archaeologist and rebel pilot stand side-by-side when Aphra persuades Luke Skywalker to join her in a journey to the heart of the Screaming Citadel! What secret are they after? And when word gets out, can Han and Leia be far behind them?