Shadow and Bone by Leigh Bardugo

Orphan Alina Starkov rather enjoys being an ordinary soldier in her country's war against the dark magic that created a rift in the land. The Shadow Fold is a swath of blackness patrolled by brutal flying volcras - Alina and her best friend Mal are sent on a mission to cross it with an army convoy. When they are attacked, in trying to protect Mal, Alina unleashes a power she had no idea she possessed. From that moment on, her life is changed - she is summoned to begin training as a Grisha under the tutelage of the Darkling himself. This unique and suspenseful story of a young woman with newly-discovered frightening powers is a must-read for fantasy romance fans - hold onto your kefta for this one!