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.
After Darth Vader's narrow escape from the destruction of the Death Star, the Dark Lord is consumed with a desire to find the Force-strong young pilot who fired the fatal shot. For Luke Skywalker represents the heart and soul of the Alliance, and perhaps, for Vader, he represents much, much more. The book's first printing features a foil-stamped logo and special bonus fold-out poster by Gibbons and Angus McKie.