User blog comment:Ahvi-Pixel/Mass Effect 3 New Character???/@comment-743796-20110116020215/@comment-1074875-20110116021812

It was in Revelation and this conversation was at the very end of the book. She also appear in Ascension. I haven't read further then those two books, but Ascension ended with a possibility for her to appear in further books, comics, or Mass Effect 3.