Soul Collector - Soul Collector Series, #1

Reading, writing, and relentless terror.Ghost hunter Shane Ryan has never had an easy life. Years of battling paranormal forces and supernatural evil have taken their toll. But the retired marine isn't ready to give up the fight yet. So when a missing girl stirs up memories of an old case, Shane sets out to investigate. Communing with the spirits, Shane discovers a link between the killer and a vicious biker gang based in New Hampshire.
Tracking them to their clubhouse, Shane soon finds himself embroiled in another battle against horrific forces from beyond. Other girls have gone missing, and they all fit the same profile. Young. Innocent. Perfect little angels. Someone behind the scenes is gathering a flock of students for an infernal school of the dead. Unless Shane can stop them in time, these missing girls are about to learn an unforgettable lesson in terror.
And Shane may find himself consumed by the nightmares of his past once and for all.