Written by Edgar Wallace
Copyright 1919
Collection of 18 short stories previously published in the Dundee, Scotland, newspaper Thomson's Weekly News and bundled as one volume the next year.These tell the tale of a German spy living in England who goes by the name Heine. The stories are:The Affair of Mister HaynesThe Man from the StarsThe Affair of the Allied ConferenceThe Word of a PrinceThe MurderersThe Grey EnvelopeMr. Collingrey, M.P., PacifistThe Jermyn Credit BankThe Passing of HeineThe U-Boat AdventureBrethren of the OrderThe World DictatorThe SyrenThe Coming of the BolsheviksThe Going of Heine