"New York Times bestselling author Kevin Hearne returns to the world of his beloved Iron Druid Chronicles in a spin-off series about an eccentric master of rare magic solving an uncanny mystery in Scotland. Al MacBharrais is both blessed and cursed. He is blessed with an extraordinary white moustache, an appreciation for craft cocktails-and a most unique magical talent. He can cast spells with magically enchanted ink and he uses his gifts to protect...

For nearly two thousand years, only one Druid has walked the Earth -- Atticus O'Sullivan. Now he's got company. Atticus's apprentice Granuaile is at last a full Druid herself. What's more, Atticus has defrosted an archdruid long ago frozen in time, a father figure (of sorts) who now goes by the modern equivalent of his old Irish name: Owen Kennedy. And Owen has some catching up to do. The jury's still out on whether the wily old coot will be an asset...