Olivia's life is hanging by a thread. Hunted as a spy by the British Empire, and now by her own countrymen, she needs to do the impossible to survive - bring the Empire to its knees. The company forging a golden age of steam for the Empire is the Fanshaw & Fotherington Electro-Mechanical works. Destroy it and the British Empire will follow. But before Olivia can put her deadly plan into motion she must first locate the almost mythical creative heart of the Double-F company - the Squirrel Works - run by the reclusive Tiberius Fanshaw. The seed of its destruction is a secret hidden for many...

Steam power has brought many benefits to the citizens of Her Majesty's Britannic Empire, but also enemies jealous of her supremacy. Several times her military might has been tested, and each time she has prevailed. But now with the warships and armed war-blimps of her old enemy massing in the North Sea, Britain is facing its greatest time of peril - warfare of an unprecedented scale is poised to be unleashed. The mysterious and black-hearted Olivia is behind the smuggling of guns and ammunition into London to fuel internal riots and aid invasion, but most importantly of all the theft of...