The Sea of Storms - Mark Whiteway

ASIN B005BU9KJ6 moved to the most recent edition here Ail-Kar, a white-hole portal from another universe, rains meteoroids onto the surface of the planet Kelanni. But the so-called "lodestones" behave according to different physical laws, transforming Kelanni's society. With the aid of the fearsome Keltar in their flying cloaks, the Kelanni are being put to forced labor to mine the lodestones. Shann, an orphan with a fiery disposition, witnesses a battle between a Keltar and a stranger bearing a similar flying cloak. She tracks down the stranger, and learns of the technology behind the Keltars' power, joining him on a mission to free the slaves and cut off their supply of lodestones. Meanwhile Keris, a Keltar, is sent on a mission to track down the rebels. She is attacked by a flying crea