Third Girl

By Agatha Christie

Price: $18.99

On Sale: 2/10/2026

Third Girl Book Cover Enlarge Book Cover

Third Girl

By Agatha Christie

Price: $18.99

On Sale: 2/10/2026

About the Book

In this exclusive authorized edition from the Queen of Mystery, a young woman announces to Hercule Poirot that she’s a murderer and then disappears, leaving the masterful investigator to figure out whether she is a criminal, a victim, or merely insane. Now with a beautiful new series look!

Three young women share a London flat. The first is a coolly efficient secretary. The second is an artist. The third interrupts Hercule Poirot’s breakfast confessing that she is a murderer—and then promptly disappears.

Slowly, Poirot learns of the rumors surrounding the mysterious third girl, her family, and her disappearance. Yet hard evidence is needed before the great detective can pronounce her guilty, innocent, or insane.…

Product Details

ISBN: 9780063376960
Imprint: William Morrow Paperbacks
On Sale: Feb 10, 2026
List price: $18.99
No of pages: 288
Trim Size: 5.250 in (w) x 7.900 in (h) x 0.800 in (d)
BISAC 1: FICTION / Mystery & Detective / Traditional
BISAC 2: FICTION / Crime
BISAC 3: FICTION / Historical / General

Agatha Christie

Biography

Agatha Christie is the most widely published author of all time, outsold only by the Bible and Shakespeare. Her books have sold more than a billion copies in English and another billion in a hundred foreign languages. She died in 1976, after a prolific career spanning six decades.

About the Book

In this exclusive authorized edition from the Queen of Mystery, a young woman announces to Hercule Poirot that she’s a murderer and then disappears, leaving the masterful investigator to figure out whether she is a criminal, a victim, or merely insane. Now with a beautiful new series look!

Three young women share a London flat. The first is a coolly efficient secretary. The second is an artist. The third interrupts Hercule Poirot’s breakfast confessing that she is a murderer—and then promptly disappears.

Slowly, Poirot learns of the rumors surrounding the mysterious third girl, her family, and her disappearance. Yet hard evidence is needed before the great detective can pronounce her guilty, innocent, or insane.…

Product Details

ISBN: 9780063376960
Imprint: William Morrow Paperbacks
On Sale: Feb 10, 2026
List price: $18.99
No of pages: 288
Trim Size: 5.250 in (w) x 7.900 in (h) x 0.800 in (d)
BISAC 1: FICTION / Mystery & Detective / Traditional
BISAC 2: FICTION / Crime
BISAC 3: FICTION / Historical / General

Agatha Christie

Biography

Agatha Christie is the most widely published author of all time, outsold only by the Bible and Shakespeare. Her books have sold more than a billion copies in English and another billion in a hundred foreign languages. She died in 1976, after a prolific career spanning six decades.