Major Haynes of the Secret Service

Collection of 10 short stories previously published in the Dundee, Scotland, newspaper Thomson's Weekly News.
These tell the continued adventures of British agent Major Hiram Haynes:
Major Haynes And The Princess (Deporting A Princess)
The Missing Hohenzollern
Sunk Without Trace
The Berman Iron Book (A Beautiful Spy's Amazing Revenge)
Unmasking A Peace Plot (The Great Peace Plot)
The Treasure House Of The Prussian King (The Search For The Kaiser' Secret Treasure House)
The Question Of Hora Da Silva (The Mysterious Mrs Da Silva)
The Elusive Sweizer (Face To Face With The Master-Spy)
The Disappearance Of Lady Mary Bretley (Getting Even With A Hun)
Ten Divisions And A Red-Haired Girl