After her death in 1976, Christie`s family did not want to release her papers to biographers. Her popularity was such that they knew demands would continue. … Agatha married Archie Christie in 1914. They were divorced 13 years later, after Agatha`s books had become popular.
What did Agatha Christie write after she disappeared?
Books have been written and movies have been made including, most recently, the 2018 film, “Agatha and the Truth of Murder,” which speculates she spent those missing days solving a real homicide.