(From the publisher):
Things are going badly for the Clan in this new SF novel of the Merchant Princes, the immensely popular series by Charles Stross. Locked in a vicious civil war for control over the kingdom of Niejwein, their army is bottled up inside a fortress under siege in two parallel universes at once. Duke Angbard, the Clan's leader, has been laid low by a stroke: plotter are already conspiring in readiness for the deadly dance to come.
Miriam, rescued from a tight spot in New Britain, finds the hope of the young progressive faction focused on her. But do they want her as a leader or a figurehead? She soon finds herself thrown into a desperate struggle for power. Meanwhile, unbeknownst to the Clan, researchers working for the U.S. government have achieved a technological breakthrough. The War on Terror is about to go transdimensional, and nuclear.
And the Clan has nuclear weapons, too.
Original title: The Revolution Business
Genre: Fiction→ Science Fiction→ World Versions→ Alternate and Parallel Worlds