Acorn Media Group has acquired a 64% stake in Agatha Christie Limited from Chorion. With more than 2 billion books sold, Agatha Christie is the bestselling novelist of all time. This acquisition gives Acorn Media majority ownership of Christie's extensive works, including more than 80 novels and short story collections, 19 plays, a film library of nearly 40 TV films, and iconic characters Hercule Poirot and Miss Marple, among many others. The Agatha Christie family retains its 36% holding and Mathew Prichard, Agatha Christie's grandson, remains Chairman of Agatha Christie Limited.
So looking at things through a different lens - good old Agatha has sold two-and-a-half times more books than there are members of FaceBook.