Harry must uncover a traitor within the Wizards of the White Council, keep a less-than-agreeable warden under wraps, and avoid coming under scrutiny himself. And a single mistake may cost someone his head--someone like Harry.

Chicago wizard Harry Dresden's calm life is interrupted when Mab, monarch of the Winter Court of the Sidhe, decides to call in the favor that Harry owes her, sending him on a quest that leaves him trapped between a deadly foe and an untrustworthy ally.

Assigned to investigate the deaths of several magic practitioners, all of whom lacked the ability to become full-fledged wizards, professional Chicago wizard Harry Dresden is shocked when the evidence points to his half-brother Thomas as the killer.

"Harry has faced terrible odds before. He has a long history of fighting enemies above his weight class. The Red Court of Vampires. The fallen angels of the Order of Blackened Denarius. The Outsiders. But this time, it's different. A being more powerful and dangerous on an order of magnitude beyond what the world has seen in a millennia is coming. And she's bringing an army. The Last Titan has declared war on the city of Chicago, and has come to subjugate...

In the thirteenth book of the series, Harry learns that three of his friends are destined to experience unbearable torment and agony. Only by bringing his murderer to justice can he save his friends and move on to what comes next--a feat that would be a lot easier if he had a body and access to his powers. Instead, Harry must work as a ghost, unable to interact with the physical world, invisible and inaudible to almost everyone. Unfortunately he's...