Blum, Howard <br/><br/>
Dark invasion  1915 Germany's secret war and the hunt for the first terrorist cell in America 
Howard Blum 
 - xvii, 474p.  20cm. 
<br/><br/>Includes bibliographical and index 
<br/><br/><label>ISBN: </label>9780062307569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Espionage, German--History--20th century--United States<br/>World War, 1914-1918--Secret service--United States<br/>World War, 1914-1918--Secret service--Germany
<br/><br/><label>Dewey Class. No.: </label>940.48673