A best-selling author of novels, short stories, magazine articles, translations, and plays, Oppenheim published over 150 books. He is considered one of the originators of the thriller genre, his novels also range from spy thrillers to romance, but all have an undertone of intrigue. He also wrote under the name of Anthony Partridge. "The Lost Ambassador" begins: There was no particular reason why, after having left the Opera House, I should have retraced my steps and taken my place once more amongst the throng of people who stood about in the entresol, exchanging greetings and waiting for their carriages. A backward glance as I had been about to turn into the Place de l'Opera had arrested my somewhat hurried departure. The night was young, and where else was such a sight to be seen? Besides, was it not amongst some such throng as this that the end of my search might come?Also see other titles by this author available from Kessinger Publishing.