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.
The Republic and the Mandalorians are at war, and some of the Jedi are joining the fight! One Jedi, peace-loving Zayne Carrick, has found himself on the front lines against his wishes—he's been drafted . . . And when Zayne is captured by the Mandalorians while storming beaches with his fellow Republic troops, he suddenly is forced not only to fight, but to fight alongside the enemy!