Detective stories in which the great Thomas Carnacki investigates the supernatural using scientific tools, such as photography, and tools that are augmented by theories of the supernatural, such as the electric pentacle, which uses vacuum tubes to repel supernatural forces.

Language: English

Published in: 1912

Word count: 77,791 words (≈ about 5 hours)

Copyright: This work is available for countries where copyright is Life+70 and in the USA.