Agatha Heterodyne And The Hammerless Bell by Phil Foglio

A bold young inventor discovers she is a Spark and is thrust into a fast-paced, screwball steampunk adventure full of runaway inventions, deadly rival engineers, and political intrigue; relying on her wits, wild gadgetry, and a ragtag group of allies, she must survive escalating threats, unravel mysteries about her past, and navigate moments of humor and unexpected romance amid extravagant mechanical mayhem.