The bestseller is a short story written by the famous American writer O. Henry and it describes how life has no geographical boundaries.
The author meets his old acquaintance John.A. Pescud while going to a place on the train. John describes how he fell in love with Jessie Allyn the daughter of Colonel Allyn, A lineal descendant of the belted Earls. His own love-story defies his claim that 'Bestsellers are unrealistic where the hero marries Women of higher status people,But in the real life marry they look for someone of same status, and here the story of John is not much different than that of the stories in Bestsellers, As the common businessman had married the daughter of a descendant of Earls. Hence the perfect title 'Best seller'.