Teresa Edgerton: 3 books

Bizarre things are happening in the little town of Hobb's Church, where Sera, Elsie, and Jedidiah are hiding from the vengeance of the Duchess. While Jed and the lensmaker Mr. Jonas construct a magical engine to raise a sunken island, the young ladies must deal with ghosts, hobgoblins, and a school...

When the Goblin Moon rises: Coffins float down the river, alchemists turn mandrakes into men, the gentlemen scoundrels known as the Knights of Mezztopholeez practice bloody rituals as vicious as they are depraved . . . and one man fights a secret battle against villainy and blackest sorcery,...

The ensorceled gems that once held all humans in sway now power a hundred small kingdoms, but the monarchy of Mountfalcon is suddenly in dire peril.  For the Queen has unwittingly lost the realm-sustaining, jeweled Chaos Machine—a castastrophe that could tear the kingdom apart.  Captain of the...