Recs if you like The Floating Admiral...

This is for the ultimate Agatha Christie lover. She wrote 66 detective novels, 15 short story collections, 6 romance novels under Mary Westmacott, and published 17 plays on stage. This list does not include any of her unpublished works. Finishing this in completion gives you the ultimate bragging rights.

Whodunnits published between WWI and the 1950s