Destined to take over his family farm in Norrøngard, Karn would rather play the board game Thrones and Bones, until half-human, half frost giantess Thianna appears and they set out on an adventure, chased by a dragon, undead warriors, an evil uncle, and more.

For fans of Lloyd Alexander and Brandon Mull comes the epic conclusion to the acclaimed Thrones and Bones fantasy-adventure trilogy that began with Frostborn. Find the Horn. Free the City. The chase continues for the legendary Horns of Osius. Thianna and Karn’s quest to retrieve the horns from those who wish to abuse their power takes them to Thica, an ancient land where two tyrant queens reign supreme and where years earlier Thianna’s mother...