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.
CUE THE IMPERIAL MARCH! After a lifetime of betrayals, all DOCTOR APHRA's mynocks are finally coming home to roost. Murder-droids, Force-active spores, heartbroken lovers and vengeful lawmen — but they're all eclipsed by the tall, dark shadow that now falls across her. HE IS HERE.