The huge fortune in gems that Bull Cassell finds on Luna undergoes a strange transformation in the atmosphere of Earth—a change that unlocks the past and brings forth a threatening horde that should have perished ages ago!
Also by John Russell Fearn...
Other books by John Russell Fearn
About the author
John Russell Fearn
John Russell Fearn (1908–1960) was one of the first British authors to appear in American pulp science fiction magazines. A highly prolific author, he published under many pseudonyms (including Vargo Statten, Thornton Ayre, Polton Cross, Geoffrey Armstrong, John Cotton, Dennis Clive, Ephriam Winiki, and Astron Del Martia) as well as under his own name.
