The fifteenth volume of Girl Genius begins with…
The colors were done by Cheyenne Wright.
The first page of volume 2 of act 2 begins here: The Second Journey of Agatha Heterodyne.. While this volume is often referred to as the second volume of act 2 for short, it is officially the second book of
This volume has four pages of extras, providing a fairly extensive cast list with capsule descriptions of the characters along with definitions of some terms used in the story, at the beginning of the book. Presumably a cast list has been included in this volume, although it hasn't been present in previous ones, because books in the Second Journey are supposed to be a good starting point for new readers. The previous volumes (The First Journey of Agatha Heterodyne, books 1–13) did each have a summary of "The Story So Far" and a short, humorous capsule biography of the professors, which this volume omits.