The First Journey of Agatha Heterodyne is the full, official title of the original set of thirteen volumes in the story of Agatha Heterodyne, which has the blanket title Girl Genius. This part of the story was originally referred to as the "first half of the story" or "season one," as the Foglios discussed their plans to eventually create "a second half of the story" or "season two." For a long time it wasn't clear when, or even if, "season two" would start, but it did on [ Monday, March 3, 2014.] [[Chronology - Volume #|✣ ]] At that point, the Foglios had decided to use the name Act 2 instead of "season two" for this part of the story, calling the first part Act 1.