Demonic Issues — a series by Vincent Berg

Phil Walker was a normal man-until demons invaded his mind. Eager to understand his visions, he seeks answers, only to face hostility from the police. Does it matter if he's technically insane if he cures hundreds? As Phil battles his inner demons, he wrestles with where they originated and how they impact him and his health. However, the question remains: are his unusual skills an otherworldly phenomenon, the results of disease, or a gift from above? / (Reviews)

Phil, who fought invisible beings and cured mental illnesses, was 'cured' of his ability by the medical establishment. Regaining his abilities, he's doubly cautious. To remain under the radar, he takes an unusual approach. Selecting a scarred vet and a young waif, he starts again, facing his greatest challenge when he faces betrayal, deception and open rebellion by those he chooses to work with.