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.
Darth Vader has been secretly pursuing his own agenda, but now it is time for the End of Games. As Inspector Thanoth returns with some startling information, it seems that Vader may have passed his master's tests. But even after finding favor in the eyes of the Emperor, the Dark Lord's schemes may yet prove his undoing… Plus, the killer droids Triple-Zero and Beetee wreak havoc in their own homicidal adventure! Marvel's in-depth exploration of the Dark Side of Star Wars goes from strength to strength!