In 1891 he left Current Literature and moved to Chicago where he started a lecture program on his system of Mental Training.

After the article was published he received so many requests for information that he scheduled a trip back in October to lecture on the subject.

He has delivered many lectures on mental training in New York, Chicago, Minneapolis, and other cities, and his system has been received with great favor in all of these.

During the last year he has brought Current Literature to a place of really notable excellence by the keen watchfulness which he keeps over the literary work that is being done both in this country and in England, by his catholic taste, and by his swift judgment.

In 1907 he published a pamphlet entitled The House of Governors; A New Idea in American Politics Aiming to Promote Uniform Legislation on Vital Questions, to Conserve States Rights, to Lessen Centralization, to Secure a Fuller, Freer Voice of the People, and to Make a Stronger Nation.

[5] Jordan wrote a number of personal improvement and self-help books in the early 1900s, one of the most popular being The Majesty of Calmness.

In a letter to Jordan dated October 5, 1907, Grant said: "I know of no book of the same size, that has made a more profound impression upon my mind, and whose teachings I consider of greater value.