We all know that in order to accomplish a certain thing we must concentrate. It is of the utmost value to learn how to concentrate.
To make a success of anything you must be able to concentrate your entire thought upon the idea you are working out.
-from the "Introductory"

As one of 20th century's first self-help books, THE POWER OF CONCENTRATION has helped generations of readers achieve the near impossible task of showing how to control one's mind to unleash its utmost creative potential.

Organized into 20 no-nonsense lessons, these skillful techniques can be used to bring the mind under control, thereby turning it into an effective instrument to achieve success at any level.