"Not" a riddle solver. But in order to rescue his best friend, Thianna Frostborn, he will need to travel to the faraway city of Castlebriar (by wyvern), learn how to play a new board game called Charioteers (not a problem), decipher the Riddle of the Horn, and tangle with mysterious elves. Meet Desstra. She s in training to join the Underhand the elite agents of the dark elves.When she crosses paths with Karn, she is not all that she appears to be. Everyone is chasing after the horn of Osius, an ancient artifact with the power to change the world. The lengths to which Karn will go in the name of friendship will be sorely tested. Who knew that solving a riddle could be so deadly? [This book description comes from a different edition of this title. Please report any inaccuracies].

 

 

This book is part of a book series called Thrones And Bones .

This book is aimed at children at US 3rd grade-7th grade.

This book has been graded for interest at 8-12 years.

There are 384 pages in this book. This book was published in 2016 by Random House USA Inc .