Complex sentence: In Robert Thurston's novel version of "Saga of a Star World", however, Thurston wrote that Tigh had never been able to keep his feelings hidden and blamed that for having cost Tigh a ship command post at least once.
Split into simpler sentences: In Robert Thurston's novel version of "Saga of a Star World", however, Thurston wrote that Tigh had never been able to keep his feelings hidden. And Thurston blamed that for having cost Tigh a ship command post at least once.