Biblio e-kirjat Vaasan kaupunginkirjasto / Biblio e-böcker Vasa stadsbibliotek

Without creative powers mankind would still be living in caves, without any new ideas or advancement, so it is important to understand and harness this power. This audio book will teach you how.

Warren Hilton was the author of: Initiative Psychic Energy, Power of Mental Imagery, The Trained Memory, Applied Psychology (12 volumes). He was the founder of the society of Applied Psychology.