In Agatha Christie's classic mystery 4:50 From Paddington, a woman in one train witnesses a murder occurring in another passing one...and only Miss Marple believes her story.

For an instant the two trains ran side by side. In that frozen moment, Elspeth McGillicuddy stared helplessly out of her carriage window as a man tightened his grip around a woman's throat. The body crumpled. Then the

The indomitable sleuth Miss Marple is led to a small town with shameful secrets in Agatha Christie's classic detective story, The Moving Finger.

Lymstock is a town with more than its share of scandalous secrets—a town where even a sudden outbreak of anonymous hate mail causes only a minor stir.

But all that changes when one of the recipients, Mrs. Symmington, commits suicide. Her final note says "I can't go on,"