It was published in the United States as The Siege of the Villa Lipp.
[1][2] Criminologist Professor Frits Krom visits Paul Firman, alias Oberholzer, a crooked investor.
Firman agrees to be interviewed at his villa on the French Riviera.
They come under attack by Firman's former business partner, Mat Tuakana.
[2] Kirkus Reviews wrote "You can be sure that Eric Ambler would never mix his metaphors, write an ungraceful line, or tell you a story you don't want to hear.