Pittsburgh's ghosts are as varied as its many neighborhoods. In the shadow of the University of Pittsburgh, curious boys investigate an abandoned house and find that some doors are better left unopened. In Robinson Township, a young woman wakes nightly to find a shadowy menace standing over her bed. On the banks of the Ohio River, a baby has a close call with a cold stove mysteriously running hot. A dying man's last wish is communicated from beyond the grave. Call them what you will: visits from the ethereal plain, the sixth sense, the fourth dimension, spectral visions, or cold spots. The...