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.
How the Ewoks Saved the Trees: An Old Ewok Legend is a 1984 young reader book written by James Howe. The book is a prequel of sorts to the Star Wars: Ewoks television series. It is set on Endor, and introduces the Phlogs and establishes Logray as the village medicine man.
Wicket and Kneesaa, two furry woklings who live on the tiny moon Endor, catch a pair of giant Phlogs in the act of cutting down the ancient forest trees revered by the Ewoks.