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.
The Youtini Expanded Universe Ranking system is a 1-5 scale that ranks EU book quality, difficulty, and importance. Books closer to Level 1 are easier to read and understand, more important, and of higher quality.
To the shock of all who know her, Princess Leia has announced her intention to marry the prince of the remote planet Arrochar! While the Rebels are losing a princess, they're gaining a new base—a safe haven from the Empire. Or are they? Collects Star Wars #15–#18.