The seer of shadows by Avi
An eerie ghost story set in New York City, in 1872, this chilling look at the early practice of photography will raise goosebumps and cause you to look over your shoulder at dark corners.
Fourteen-year-old Horace Carpetine has been apprenticed to an unknown photographer who intends to get rich from society portraits, and cheerfully concocts an elaborate scam to do so. Horace has been raised to approach things scientifically, and is more puzzled than scared when his manipulated photographs reveal haunting likenesses of a dead girl, Eleanora. Strange happenings and the discovery that Eleanora's death may not have been innocent convince Horace that her ghost has returned for a frightening revenge.
A deliciously scary, but poignant ghost story, which will stay with you long after you finish the book.