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.
It was supposed to be a simple mission to the palace of Nyemari. Quick, covert, easy.
But before the Rebels can get off the planet, Luke receives a mysterious—and deadly—message from former Imperial Commander Rezi Soresh. Though Soresh's assassin, X-7, didn't manage to kill Luke, Soresh hasn't given up on vengeance.
Luke must surrender himself, or Soresh is prepared to kill a ship full of innocent travelers. Luke has no choice. To save the hostages, he must follow Soresh's directions.
Even if they lead straight into a trap.