
by Og Mandino · Grijalbo · tapa blanda · ISBN 9788425329418

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«Secretos del éxito y la felicidad» is the self-help and personal development book by Og Mandino, published by Grijalbo in paperback (324 pages, in Spanish).
Og Mandino, author of «El vendedor más grande del mundo», sets out principles and reflections for achieving success and happiness: overcoming obstacles, constructive interpersonal relationships and everyday well-being. A work that invites readers to build a full and meaningful life.
Originally published in 1985 as «Secrets for Success and Happiness»; this Spanish edition appeared in 1996 in Grijalbo's Autoayuda y Superación collection.
For readers of personal development and self-improvement, especially those who know Og Mandino from «El vendedor más grande del mundo».

Augustine "Og" Mandino II was an American writer. The author of The Greatest Salesman in the World, his books have sold over 50 million copies and have been translated into over 25 languages. He was the president of Success Unlimited magazine until 1976 and was inducted into the National Speakers Association's Hall of Fame.
