The Bridge to Nowhere by Austin J. Bailey

Synopsis:

Three days. Seven mages. One traitor… In this epic conclusion to the Magemother trilogy, Brinley ventures into the upside-down world of Inveress with a traitor at her side. 

Meanwhile, trapped inside the Panthion, Hugo searches for the truth that will save him from destruction. Together, they will find danger and death, loyalty and friendship. Together, they must save the world, and cross the bridge to nowhere.