Separate. Though they DO both have similar elements. In the TV series version there's less weirdness than in the book, it mostly deals with the "civil war" aspects of the Mexican War tearing apart Anglos and Latinos. The Series only uses the events in the novel as the bare beginnings of the Series. Season one would cover the year before the war, season two the war, season three the year after up to the discovery of gold and the beginnings of the road to statehood. The introductory page (out of 40 or so) of these is in the Lost Treasures site ... along with a TON of other odd bits and pieces. https://www.louislamourslosttreasures.com/LLLT2015WebExclusivesBeyondBonus.htm