The Magician's Apprentice

Set hundreds of years before the events of "The Magicians' Guild," THE MAGICIAN'S APPRENTICE is the new novel set in the world of Trudi Canavan's Black Magician Trilogy.
In the remote village of Mandryn, Tessia serves as assistant to her father, the village Healer. Her mother would rather she found a husband. But her life is about to take a very unexpected turn.
When the advances of a visiting Sachakan mage get violent, Tessia unconsciously taps unknown reserves of magic to defend herself. Lord Dakon, the local magician, takes Tessia under his wing as an apprentice.
The long hours of study and self-discipline also offer more opportunities than she had ever hoped for, and an exciting new world opens up to her. There are fine clothes and servants - and, to Tessia's delight - regular trips to the great city of Imardin.
But along with the excitement and privilege, Tessia is about to discover that her magical gifts bring with them a great deal of responsibility. For great danger looms on the horizon for Tessia and her world.