Signal the Wind – A.K. Downing

Mia and Archer return to the Academy determined to find Mehgo and seek revenge. But when their lives are torn apart, Mia must rely on the power and strength within herself to move forward. As threats of war reverberate across the Provinces, Mia has to decide who to trust, finding allies in unexpected places.
In this thrilling second book of The Air Series, the Provinces must unite as Mehgo prepares for a war that could destroy them all.