As two royals fight to keep their crowns amidst old friends and new enemies in fantastical realms connected by a single city--London, a girl with an unusual magical ability comes into possession of a device that could bring them together--or unravel it all.

"From V.E. Schwab, the critically acclaimed author of Vicious, comes a new universe of daring adventure, thrilling power, and parallel Londons, beginning with A 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...