What was Agatha Christie's first published book, which was released in 1920?
The Mysterious Affair at Styles
The Mysterious Affair at Styles
The Mysterious Affair at Styles
And Then There Were None
The Murder at the Vicarage
And Then There Were None
The Murder at the Vicarage
The Secret Adversary
The Mysterious Affair at Styles
The Man in the Brown Suit
The Murder on the Links
The Mystery of the Blue Train
The Secret of Chimneys
And Then There Were None
The Secret Adversary
The Murder at the Vicarage
The Murders in the Rue Morgue
Murder on the Orient Express
The Murder on the Orient Express
The Man in the Brown Suit
The Mysterious Affair at Styles
The Murder on the Links
And Then There Were None
The Secret of Chimneys
The Secret Adversary
The Mystery of the Blue Train
The Murder at the Vicarage
The Murders in the Rue Morgue
The Murder on the Orient Express
Murder on the Orient Express
And Then There Were None
The Murder on the Links
The Mysterious Affair at Styles
The Secret Adversary
The Secret of Chimneys
The Man in the Brown Suit
The Murder of Roger Ackroyd
The Murder at the Vicarage
The Murders in the Rue Morgue
The Mystery of the Blue Train
And Then There Were None
The Murder on the Orient Express
The Secret Adversary
The Mysterious Affair of Styles
The Mysterious Affair of Style
The Woman in White
The Murder on the Links
Murder on the Orient Express
The Secret of Chimneys
The Mysterious Affair at Styles
The Murder of Roger Ackroyd
The Man in the Brown Suit
The Murders in the Rue Morgue
The Murder at the Vicarage
The Mysterious Affair At Styles
The Man in the Brown Suit and Other Stories
Witness for the Prosecution
And Then There Were None
The Secret Adversary
The ABC Murders
The Murder on the Orient Express
The Mysterious Mr. Quin
The Mystery of the Blue Train
Ordeal by Innocence
The Woman in White
The Murder on the Links
The Secret of Chimneys
Hercule Poirot
The Mysterious Affair of Style
The Mysterious Affair at Styles
The Murder of Roger Ackroyd
The Mysterious Affair of Styles
The Murders in the Rue Morgue
The Murder at the Vicarage
The Man in the Brown Suit
The Moving Finger
The Mysterious Affair in Style
Witness for the Prosecution
And Then There Were None
The Secret Adversary
The Man in the Brown Suit and Other Stories
The Mysterious Mr. Quin
The Murder on the Orient Express
The Mysterious Affair At Styles
Ordeal by Innocence
Appointment with Death
The ABC Murders
The Woman in White
The Murder on the Links
Hercule Poirot
The Mystery of the Blue Train
The Secret of Chimneys
The Murder in the Rue Morgue
The Murder of Roger Ackroyd
The Mysterious Affair of the Necklace
The Mysterious Affair at Styles
The Murders in the Rue Morgue
The Moving Finger
The Mysterious Affair of Style
The Secret Adversary
And Then There Were None
The Murder at the Vicarage
Hercule Poirot and Miss Marple
The Witness for the Prosecution
The Man in the Brown Suit
Witness for the Prosecution
The Mysterious Mr. Quin
The Mysterious Affair of Styles
Ordeal by Innocence
Appointment with Death
The Mysterious Affair in Style
The Murder on the Orient Express
The Man in the Brown Suit and Other Stories
The Hollow
Ordeal by Innocence and Murder
Hercule Poirot
The Woman in White
The Murder on the Links
The Moving Finger
The Murder of Roger Ackroyd
Hercule Poirot and the Mousetrap
The Secret of Chimneys
The ABC Murders
The Mysterious Affair At Styles
The Mysterious Affair of the Necklace
The Mystery of the Blue Train
The Murder in the Rue Morgue
The Mysterious Affair at Styles
The Murders in the Rue Morgue
The Secret Adversary
And Then There Were None
The Murder at the Vicarage
Ordeal by Infernal Devices
The Hollow
The Mysterious Mr. Quin
The Murders in the Mews
Appointment with Death
Ordeal by Innocents
The Mysterious Affair of Style
The Man in the Brown Suit
The Moving Finger
The Mousetrap
The Murder on the Orient Express
Ten Little Indians
Murder on the Orient Express
The Murder of Roger Ackroyd
The Mysterious Affair in Style
The Mysterious Affair in Paris
The Mysterious Affair of Uncle Fred
Pigeon Post
The Murder on the Links
The Man in the Brown Suit and Other Stories
The Mysterious Affair of Styles
The Secret Adversary
The Secret of Chimneys
The Hollow
And Then There Were None
The Mysterious Affair of the Necklace
The Mysterious Affair at Styles
Cards on the Table
The Mystery of the Blue Train
Ordeal by Infernal Devices
The Woman in White
The Murders in the Mews
Pigeon Post and Pigeon Post
Ordeal by Innocents
The Murders in the Rue Morgue
The Moving Finger
The Murder at the Vicarage
Ordeal by Innocence and Murder
The Mysterious Affair of Style
Hercule Poirot and Other Stories
Pigeon Post
The Mousetrap
The Murder on the Orient Express
The Murder of Roger Ackroyd
The Hollow
The Mysterious Affair of Uncle Fred
Murder on the Orient Express
The Mysterious Mr. Quin
The Secret Adversary
The ABC Murders
The Murder on the Links
And Then There Were None
The Mysterious Affair of Styles
The Mysterious Affair at Styles
Cards on the Table
The Moving Finger
Ten Little Indians
Ordeal by Infernal Devices
The Murders in the Mews
Ordeal by Innocence and Tragedy
Ordeal by Innocents
The Murders in the Rue Morgue
The Hollow
Pigeon Post and Pigeon Post
Pigeon Post
The ABC Murders and Miss Marple
The Mysterious Affair of Style
Pigeon Post and Pigeons
The Mysterious Affair in Paris