Coven Of Catastrophe: Book 3 in the Lorna Maximoff Series

It's been almost two years since Lorna Maximoff lost her mother and went to live at Kamar Taj, but she knows she doesn't belong with the sorcerers there. What's worse, she is haunted by dreams...or are they a warning.
Lorna realizes only one person can answer all her questions. The witch who started it all, but Agatha Harkness is still trapped in the Scarlet Witches spell in Westview.
When Lorna frees Agatha and joins her coven in an attempt to make sense of everything what ensues is a dangerous journey. Into witchcraft, her place in the world and a mysterious place called the witches road.