This is an add I've found in one of Agatha Christie books. I can't guarantee that it is valid because i haven't check it out myself, but i don't see any reason why it wouldn't be valid so you check it out. If you have any information about similar clubs, please write to me and i will include them in this page.
There is also e-mail address of Agatha Christie Society in U.K. The address is
Here goes the add:
Due to the many and varied queries from the loyal fans of Agatha Christie it was decided to form an AGATHA CHRISTIE SOCIETY to open the channels of communication between those fans and the various media who strive to bring her works, in their various forms, to the public.
If you wish to apply for the membership of the Society, please write to:
PO Box 985, London SW1X 9XA