Adams, Amanda (2010), Ladies of the Field: Early Women Archaeologists and Their Search for Adventure, Vancouver: Douglas & McIntyre, ISBN 978-1-55365-433-9 .

Christie is one of the most-borrowed authors in UK libraries. [172] [173] [174] [175] She is also the UK's best-selling spoken-book author. In 2002, 117,696 Christie audiobooks were sold, in comparison to 97,755 for J. K. Rowling, 78,770 for Roald Dahl and 75,841 for J. R. R. Tolkien. [176] [177] In 2015, the Christie estate claimed And Then There Were None was "the best-selling crime novel of all time", [178] with approximately 100 million sales, also making it one of the highest-selling books of all time. [132] [179] More than two million copies of her books were sold in English in 2020. [180] Legacy [ edit ] Commemorative blue plaque in the West End marking The Mousetrap as the world's longest-running play James, P.D. (2009). Talking About Detective Fiction. Random House. ISBN 978-0-307-39882-6. Archived from the original on 19 November 2016 . Retrieved 4 April 2016. Agatha's Greenway". National Trust. Archived from the original on 16 April 2020 . Retrieved 30 April 2020.Dame Agatha Christie & Sir Max Mallowan". Oxfordshire Blue Plaques Scheme. Archived from the original on 29 May 2020 . Retrieved 20 May 2020. Christie's authorised biographer includes an account of specialist psychiatric treatment following Christie's disappearance, but the information was obtained second or third hand after her death. [4] :148–49,159

Taylor, Jerome. "The Big Question: How big is the Agatha Christie industry, and what explains her enduring appeal?". The Independent. Archived from the original on 2 April 2015 . Retrieved 6 March 2015. Christie hinted at a nervous breakdown, saying to a woman with similar symptoms, "I think you had better be very careful; it is probably the beginning of a nervous breakdown." [12] :337 Axmaker, Sean. "Agatha". Turner Classic Movies. Archived from the original on 14 January 2018 . Retrieved 17 June 2017. From 1971 to 1974, Christie's health began to fail, but she continued to write. Her last novel was Postern of Fate in 1973. [4] :368–72 [14] :477 Textual analysis suggested that Christie may have begun to develop Alzheimer's disease or other dementia at about this time. [74] [75] Personal qualities [ edit ] Christie at Schiphol Airport, 17 September 1964 Jordan, Tina (11 June 2019). "When the World's Most Famous Mystery Writer Vanished". The New York Times. Archived from the original on 31 October 2020 . Retrieved 12 November 2020.BBC Radio 4 Extra – Hercule Poirot – Episode guide". BBC. Archived from the original on 8 March 2021 . Retrieved 5 May 2020. Christie published a few non-fiction works. Come, Tell Me How You Live, about working on an archaeological dig, was drawn from her life with Mallowan. The Grand Tour: Around the World with the Queen of Mystery is a collection of correspondence from her 1922 Grand Tour of the British Empire, including South Africa, Australia, New Zealand, and Canada. Agatha Christie: An Autobiography was published posthumously in 1977 and adjudged the Best Critical/Biographical Work at the 1978 Edgar Awards. [147] Titles [ edit ] Thompson, Laura (2008), Agatha Christie: An English Mystery, London: Headline Review, p. 360. ISBN 978-0-7553-1488-1 Christie's familial relationship to Margaret Miller (née West) was complex. As well as being Christie's maternal great-aunt, Miller was Christie's father's step-mother as well as Christie's mother's foster mother and step-mother-in-law–hence the appellation "Auntie-Grannie". Birth Certificate. General Register Office for England and Wales, 1879 March Quarter, Newton Abbot, volume 5b, p. 162.

Prichard, Matthew & Agatha Christie (17 January 2013). "The Grand Tour: Letters and photographs from the British Empire Expedition 1922" (Kindle Locations 257–258). HarperCollins Publishers. Kindle Edition. Agatha Christie's real-life mystery at the Silent Pool". BBC News. 17 September 2010 . Retrieved 10 November 2022. Poirot investigates his last mystery at Greenway". NationalTrust.org.uk. Archived from the original on 29 June 2014 . Retrieved 28 April 2014.

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Data for financial year ending 05 April 2018 – The Agatha Christie Trust For Children". Registered Charities in England and Wales. Archived from the original on 15 August 2020 . Retrieved 7 November 2019. Crime Writer Rich List". Alibi. 2011. Archived from the original on 19 September 2020 . Retrieved 22 September 2020. Why do we still love the 'cosy crime' of Agatha Christie?". The Independent. 14 September 2017. Archived from the original on 16 November 2019 . Retrieved 16 November 2019.