O
Og Mandino
Og Mandino wrote inspirational books like The Greatest Secret in the World. He's known for his self-help and motivational writing.
The Greatest Salesman in the World
Synopsis
The Greatest Salesman in the World (1968) by Og Mandino is a classic in the self-help and motivational genre. Unlike standard business manuals, it is written as a philosophical parable set in the time of ancient Bethlehem.
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