The complete audiobook is available for purchase on Audible.com:
https://tinyurl.com/4wby88bv
Concentration
By Christian D. Larson
Narrated by Denis Daly
Christian D. Larson was a prominent representative of the New Thought movement and the author of more than twenty books covering many aspects of self development.
In this compact tract Larson provides a trenchant examination of the basic principles of concentration and straightforward plan for its development in the individual.
