- Adventure, Romance, Mad Science! Heroes and villains fight for control ofMechanicsburg, as Agatha finally repairs the damaged machine that is CastleHeterodyne.
- Book Eleven of the Three-time Hugo Award-winning, Eisner-Nominatedseries!
"This material originally appeared from November 2010 to November 2011 at www.girlgenius.net"--T.p. verso.