En cours de chargement...
- London's walls resound with the incredible exploits of the "Yellow Mark." The spectacular actions of this mysterious criminal are on the increase: holding up the Bank of England, robbing the imperial crown..
- No one seems able to stop him
- He is so audacious that he lets the police know in advance where he will commit his crimes, each time ridiculing Scotland Yard a little more
- The apparent ease with which he evades police schemes begins to worry the highest authorities of the country
- The Home Office asks Captain Francis Blake to solve the mystery and discover the identity of the man who hides behind the Yellow Mark
- The captain immediately takes as partner his old friend, Professor Philip Mortimer, whose scientific knowledge will be invaluable in solving this extremely complex enigma
- Who hides behind the Yellow Mark?