What Was It?

In a quiet boarding house on Twenty-Sixth Street in mid-19th-century New York, a group of rational, educated men amuse themselves with ghost stories-until one of them is violently attacked in the dark by something that cannot be seen.

What Was It? is a landmark work of supernatural fiction in which terror arises not from apparitions or superstition, but from direct physical evidence of the impossible. The unseen assailant breathes, struggles, bleeds, and can be bound-yet remains utterly invi...