Menace from Below
Author: first_name: Harl
last_name: Vincent
Language: English
Year: 1929

An entire subway train full of passengers seems to disappear into thin air in the tunnels of the New York subway system!  A murdered man's body seems to dissolve into the floor before a witness's very eyes!  What do the mysterious subterranean ape men have to do with it all?  Find out for yourself in this thrilling tale of wild science fiction! - Summary by Ben Tucker