The acclaimed author Kevin Hearne returns with a brand new novel in his epic urban fantasy series starring the unforgettable Atticus O'Sullivan. For nearly two thousand years, there was only one Druid left walking the Earth - Atticus O'Sullivan, the Iron Druid, whose sharp wit and sharp sword kept him alive while pursued by a pantheon of hostile deities. Now he's got company. Atticus's apprentice Granuaile is finally a full Druid herself. What's more, Atticus has defrosted an archdruid long ...