This book is for those who are not afraid to look deep into themselves and open in their own inner world a true key to success and prosperity. Relying on the rich spiritual and practical experience that literally permeates his glorified creations in the genre of self-improvement, in this work James Allen instructs his readers on the path of faith, helping them "to find in themselves the source of all successes, happiness, victories, achievements, all real and true ". Such a task would be overwhelming for most of us if it were not for wise lessons from a man who spent his whole life searching for these inspirational truths.