The Fragile Threads of Power

A New York Times Bestseller
A USA Today Bestseller
September IndieNext Pick

A new door opens...

Once there were four worlds, nestled like pages in a book, each pulsing with fantastical power and connected by a single city: London.

After a desperate attempt to prevent corruption and ruin in the four Londons, there are only three:
Grey London, thriving but barely able to remember its magical heritage
Red London, ruled lately by the Maresh family ...