In this novel in Jim Butcher’s #1 New York Moments bestselling series, a vintage debt puts Chicago wizard Harry Dresden in harms way…

Harry’s life finally seems to be calming down. The White Council’s war using the vampiric Red Court is usually easing up, no one’s attempted to eliminate him lately, and his willing apprentice is beginning to find out genuine magic. For once, the future looks fairly shiny. However the past casts one hell of an extended shadow.

Mab, monarch from the Sidhe Winter season Court, calls in an old favour from Harry. Just one single small favour he can’t refuse…one which will capture Harry Dresden between a nightmarish foe and an equally deadly ally, and one that will strain his skills-and loyalties-to their very limits.

And everything was going therefore well for once…