The largest seller in the world

This book introduces the reader to the ten most basic and elementary rules to make effective sales,  the literary work makes it extraordinarily pleasant. Author Augustine Og Mandino, who  He did sales work and was an excellent businessman, he talks to us, tells us and shares his experiences and wise advice, on the subject, so that all those who have great business aspirations achieve the  success.  Without a doubt, this abora is valuable for those who have commercial activities.