The Threshold of Fear

Weird novel first published in London by Hutchinson in 1925 and reprinted in FAMOUS FANTASTIC MYSTERIES in March 1951. "One of the most successful psychological studies of the period." - Clareson, Science Fiction in America, 1870s-1930s 639. "A novel of the weird and uncanny set largely on the Cornish moors. Story also includes a lost race narrative dealing with the discover of an unknown tribe of Incas in the Andes."