The Unknown (The Sorcerers' Prophecy Book 1)
by Taylor Evans
Casey and Kate are just average teenagers when they discover their real home, the magical world of Alagia. The girls learn of a prophecy that says they will turn against each other and become enemies, and in order for Alagia to maintain peace, only one of them can survive their imminent battle. The girls struggle to face their new reality, especially since Casey and Kate are twin sisters.