Tales of the Jedi is a series of comic books that are published by Dark Horse Comics and are part of the fictional Star Wars Expanded Universe. They cover the Great Sith War and the Great Hyperspace War and remain the earliest chronological Star Wars stories.
The first books released covered the Great Sith War (4,000 BBY). The latter were prequels that covered the Great Hyperspace War, which happened a thousand years earlier.
Read more about Tales Of The Jedi: Summary, Books in The Series in Chronological Order, Authors