^I think I just found it, on page 336 and the preceding pages (I love Amazon's Look Inside feature!). All it says is that after the events of Time's Arrow
, the anthropologists "eventually" returned for Guinan and she began "the long migration back home," upon which it goes into talk of "centuries" and unspecified time frames. One could argue that, in a race as long lived as the El-Aurians, "eventually" could have been a century later, and it doesn't conflict Eugenics Wars
as much as we would think.