To celebrate the 120th anniversary of Agatha Christie's birth, the Agatha Christie Reading Challenge Carnival is hosting a special month-long blog tour Sep 1-30. (Sep 15 is Agatha Christie's birthday.) To see participating blogs -- or to sign up to host one of the days -- check out the official page here.
Retirement is Murder: 10 Senior Sleuths
David Suchet on the Orient Express
All Aboard For Murder: 10 Mysteries On Trains
Agatha Christie Blog Carnival 2010 #3
Agatha Christie: Partners in Crime