Darker shade of magic

Kell is one of the last Travelers -- magicians with a rare, coveted ability to travel between parallel universes -- as such, he can choose where he lands. There's Grey London, dirty and boring, without any magic, ruled by a mad King George. Then there's Red London, where life and magic are revered, and the Maresh Dynasty presides over a flourishing empire. White London, ruled by whoever has murdered their way to the throne -- a place where people...