Doc Savage New Adventure Softcover Volume 06 Miracle Menace

"When out of work magician Gulliver Greene stumbles upon a man who claims to be Christopher Columbus, still alive in 1937, it's only the start of the most complex plot ever to involve the incredible Doc Savage. Called to the sleepy farm town of La Plata, Missouri, the Man of Bronze plunges into the enigma of the vanishing Victorian house. Is it haunted? Is it even real? Can Doc solve the mystery - or will he be sucked into the unknown vortex into which it disappears?"