If you know in which context the authentic letters were written and sent by Joel S. Goldsmith will help you to apply them. The podcasts in this series are in the format of interviews with Wim and Jasha Salter. She is deeply involved in using unedited and authentic materials of Joel S. Goldsmith for a long time and will show you what the essence is of using these authentic materials. Wim, you might know from the iwihub Youtube channel and the Iwihub.com website.
If you want to receive the letters per email feel free to sign up here: http://iwihub.com/letters and you will receive the monthly letter.