BBC Audiobooks America.
6) Third girl
In this breathtaking Agatha Christie mystery, the Third Girl sharing a London flat with two others announces to Hercule Poirot that she's a murderer and then disappears. The masterful investigator must figure out whether the missing girl is a criminal, a victim, or merely insane.
Three young women share a London flat. The first is a coolly efficient secretary. The second is an artist. The third interrupts
...At Bertram's Hotel the intrepid Miss Marple, on holiday in London, must solve a deadly mystery at the end of a chain of very violent events.
An old-fashioned London hotel is not quite as reputable as it makes out to be....
When Miss Marple comes up from the country for a holiday in London, she finds what she's looking for at Bertram's Hotel: traditional decor, impeccable service, and an unmistakable atmosphere of danger
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