Books in the Stone War Chronicles series

Black ships darken the sea and sky, destroying everything they encounter. High General Corza Setra has mobilized the Stone King's legions to conquer the world. When Trista's village is obliterated without warning, it's up to her to keep her little brother and newly-hatched dragon safe. She's always held her own as one of the waterclans, but now her skills and confidence as a hunter will be severely tested as she fights to overcome the hardships that await them on the road ahead. Hundreds of miles north, Raylan and his friends flee the Dark Continent. Without their commander, the squad's strong leadership is gone and those who remain struggle beneath the burden of what is to come. The Doskovian forces and the deadly ghol'ms are on the move-a black swarm that leaves desolation in its wake… and no one knows it is coming...