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.
La universidad del éxito
This guide offers principles and strategies for achieving personal and professional success. It draws on timeless wisdom to help readers cultivate habits and mindsets that lead to a fulfilling life. The book provides practical advice for anyone looking to improve their circumstances and reach their full potential.