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.
Episode I: The Phantom Menace is a Mighty Chronicles adaptation of the film Star Wars: Episode I The Phantom Menace written by John Whitman. It was published by Chronicle Books on May 3, 1999 and contains 150 two-color illustrations following the film's story line in a small 3½" x 4" hardcover format.