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.
Star Wars: Rogue One: The Ultimate Visual Guide is a reference guide for the film Rogue One: A Star Wars Story. Written by Pablo Hidalgo, it was released by Dorling Kindersley on December 16, 2016, the same day as the film itself.
This exciting reference format accompanies the eagerly anticipated, first-ever standalone Star Wars™ movie: Rogue One. This beautifully detailed title features in-depth character profiles, plus 6 newly commissioned and fully annotated cross-sections of vehicles and mapped-out locations. With clear and authoritative text, this book is packed with essential information—and presented alongside stunning stills from the movie.