Anathema - Cloud Prophet Trilogy, Book 1
Reychel is a slave girl surrounded by magic, lies, and manipulation. Her best friend disappears in the middle of the night leaving Reychel to face her fifteenth birthday, the day her master burns his brand into the back of her bald head, alone. Sheltered from the outside world and without any hope for escape, can Reychel learn to believe in herself?
Oubliette (Book 2), Severed (Book 3).