The Power of Concentration
Genres: business, health-wellness, psychology, self-help
Recordings
Narrated by Jim Killavey
- Runtime: 4 h 10 min
- Publisher: Jimcin Recordings
- Released: 2013
- ASIN (uk): B00EIL9UL2
- ASIN (us): B00EIKH5L0
- 21 chapters
Find on: Audible (UK), Audible (US)
Narrated by Richard Powers
- Runtime: 4 h 29 min
- Publisher: Blackstone Audio, Inc.
- Released: 2018
- ASIN (uk): B07B6G331G
- ASIN (us): B07B6FSB8Y
- 22 chapters
Find on: Audible (UK), Audible (US)
Narrated by Tim Andres Pabon
- Runtime: 3 h 46 min
- Publisher: Ascent Audio
- Released: 2016
- ASIN (uk): B01N3SJJ9R
- ASIN (us): B01MSIIZTC
Find on: Audible (UK), Audible (US)