1) I am not familiar with Dr. Charles Muse. However, such phenomena have been documented throughout all world religious traditions.
2) See
The Major Mysteries. I do not know if any audiobook versions of it. Glorian does not create audiobooks, although students have created them on their own.
3) From what I can tell,
The Yellow Book is the primary source for this information.
4) Some groups have created audiobooks from Samael Aun Weor’s writings, which you can find on YouTube.