'Those responsible for the brutal murders of six eminent atom bomb scientists had covered their tracks with consummate skill. Scotland Yard was baffled; Press and public were seriously alarmed.
'Called in by the authorities at the eleventh hour, Gilbert Larose, the famous investigator, struck back at the conspirators but, caught in a web of intrigue, vengeance and espionage, faced almost certain death in the vaults of an ancient castle.
A high-speed mystery thriller with a dramatic climax by the renowned author of thirty popular novels.'
Source: Publisher's blurb.