While Verity Fitzroy loses herself in magical mechanizations and fantastical science of London, she harbours secrets of the death of her parents, of a mystery she can't leave alone, and of her power over machinery that both excites and terrifies...
After a decade of silence the Battle Engines march once again...
The ancient world has given way to chimneys billowing the smoke of industry into the sky of Tarn. With industry comes technology no one a hundred years prior could have dreamed of....