What sort of books did Agatha Christie write?

I don't know if it's a subgenre but they are better described as Murder Mystery.

Mel, You're one ok human good for you I've got chills writing this I'm 35 male 5"8 ex tradie I'm scared honestly Perpie

Player #120374466, Where are you from Boss I'm in NZ, PNG, Australia

I wonder inspires people to write stories mainly about murder.

I REALLYLIKE HER MMURDER ON THE ORIENT EXPRESS. THE CHARACTER OF INSPECTOR POIIROT.YSTERY BOOKS,ESPECIALLY