This Jedi book was located in the Hall of Knowledge of Great Jedi Library on the planet Ossus. It was written in an arcane classical Ossan language, with second chapter being authored by a Jedi Master Thon. It described Force abilities, including battle meditation. It also contained the stories of Arca Jeth of Arkania and Jedi Knight Nomi Sunrider.
This book was discovered by Luke Skywalker and Jem Ysanna in the subterranean ruins of Great Jedi Library on Ossus in 10 ABY. In 11 ABY on the course to the planet Onderon, Leia Organa Solo, assisted by C-3PO and Vima-Da-Boda in translation of the book, learned ancient art of the battle meditation.
The book was written in an arcane classical Ossan language, and described Force abilities, including battle meditation. It also contained the stories of Arca Jeth of Arkania, who freed Onderon during the Beast Wars, and of Jedi Knight Nomi Sunrider, who learned battle meditation from Arca and two other masters.
The second chapter was authored by a Jedi Master Thon:
The Jedi book first appeared in the Star Wars Legends continuity in Dark Empire II 4, a comic written by Tom Veitch, illustrated by Cam Kennedy, and published by Dark Horse Comics on March 21, 1995. In the Star Wars canon, Luke Skywalker found Rammahgon in the subterranean ruins on the planet Ossus.
- The Official Star Wars Fact File107
- Jedi vs. Sith: The Essential Guide to the Force