A look at seven adaptations of Agatha Christie stories where the solution differs from the original:
1. Ordeal by Innocence (2018)
2. And Then There Were None (2005)
3. The Body in the Library (2004)
4. The Sittaford Mystery (2006)
5. The Secret of Chimneys (2010)
6. The Alphabet Murders (1965)
7. Appointment with Death (1945)

Also check out the book Agatha Christie, She Watched by Teresa Peschel at https://peschelpress.com.