Horror House by Williamson, J.N - 1991-04

New York: Leisure Books, 1991-04. Mass Market Paperback. Good. 382 pages; edge wear, spine creasing, spine is somewhat out of square. No one lived there, no one dared - no one but the dead. It was a house haunted by grotesque apparitions of the unspeakable evil that had transpired there in. But to the great inventor Thomas Alva Edison, it was the perfect place to test his new device - a machine to speak with the dead. What he saw there left him a shaken man, determined to neutralize the strange, dangerous instrument and keep its terrible secret hidden away from the world until... Ben Kellogg and Laura Hawks unearth the long-buried apparatus and attempt to recreate Edison's experiment...