This is one of the oldest preserved sagas in Icelandic and is compiled from Latin sources, mainly Bellum lugurthinum and Coniutario Catilinae by Sallustius and Pharsalia by Lucanus. The first section is on the Jugurthine wars and then Catilina and his gathering of men. In the later section, the conflict between Pompey and Julius Caesar is depicted. There are two versions of this saga that have been preserved. In this book, both of them are published letter by letter in compliance with the original text, supported by original Latin texts. The detailed introduction describes the main characteristics of the translation and all the manuscripts in the saga. Icelandic text.