Audiobook
A series of twenty lessons designed to help develop and improve the power of concentration. (Summary by Andrea Fiore)
Written under the pseudonym of Theron Q. Dumont.
| # | Chapter Name | |
|---|---|---|
| 1 | | 4:25 |
| 2 | | 39:34 |
| 3 | | 12:33 |
| 4 | | 20:47 |
| 5 | | 21:55 |
| 6 | | 25:18 |
| 7 | | 18:53 |
| 8 | | 44:58 |
| 9 | | 15:01 |
| 10 | | 17:46 |
| 11 | | 32:10 |
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