Welcome to Grey London, dirty and boring, without any magic, with one mad king - George III. Then there is Red London, where life and magic are revered and White London, a city slowly being drained through magical war, down to its very bones. And once upon a time, there was Black London... but no one speaks of that now. Officially, Kell is the Red Traveler - one of the last magicians who can travel between the worlds - acting as ambassador and messenger...

"Evan Ryder is an extraordinary intelligence field agent now working for the security arm of Parachute, a private company and the world's leader in the application of quantum technology. In the past, Ryder has done lethal battle in the modern global wars of power politics, extremist ideology, corrosive disinformation, and outrageous greed. But now she finds herself in a battle arena whose dangers, while less obvious, are greater than anything the...