Kell is one of the last magicians with the ability to travel between parallel universes; linked by the magical city of London. It has been four months since a mysterious obsidian stone fell into his possession and he met Delilah Bard. Four months since the Dane twins of White London fell; and the stone was cast with Holland's dying body back into Black London.Now Kell is visited by dreams of ominous magical events; waking only to think of Lila. And as Red London prepares for the Element Games-an international competition of magic-a certain pirate ship draws closer. But another London is coming back to life. The balance of magic is perilous; and for one city to flourish; another must fall...