Red Witch by Geof Johnson

Barely weeks after defeating the sorcerer Renn, Jamie and his sweetheart, Fred, believe their lives can finally return to normal. But their world is thrown into turmoil once Fred discovers she has magic of her own. When Fred’s powers attract the attention of two dangerous witches, she faces a terrifying ordeal that tests her firecracker determination. Jamie finds that even his immense powers are sometimes not enough, and he faces a torturous trial of his own. Red Witch is a spell-binding tale of witchcraft, wizardry, and the enduring power of love.