Girl Genius Hardcover Volume 10 Agatha H & Guardian Muse

"(W) Phil & Kaja Foglio, (A) Phil Foglio Adventure! Romance! Mad Science! Deep in the heart of the damaged machine that is Castle Heterodyne, Agatha discovers her mother's long-abandoned secret laboratory. But waiting inside is a relentless guardian that is not what it seems - and other surprises as well! Book Ten of the Hugo Award-winning series!"