there is another series of books by a person who was a student at tmi who has gone in to even greater detail then robert munroe...

unfortunately the books are no longer available, as they were published by a small publisher who has discontinued distribution, and they can not be found at any book seller...

i will try and give you a snapshot of what i understand from reading the material:

In this part of the universe we have galaxies...these galaxies exist for experiential learning and are brought in to existence by galaxy game creators who are energy beings like you and I, who have chosen to get involved in galaxy game creation as a step up in their experiential learning...

you and I, as energy beings traversing the universe, at some point came across these galaxies...after examining the various galaxy games and their rules we chose this milky way galaxy...

we took up our position in the galaxy and participated by extending energy from ourselves to animate bodies...part of the rules require that the incarnation (body) would have a limited awareness of it's source until certain stages of progression have been achieved...

this galaxy game is in many ways similar to a school yard with all kinds of characters you have to interact with...it is this interaction that allows the true you to develop your spiritual outlook, reflected in your aura that enables you to move on to greater experiences beyond the galaxy games...

that's the brief of it...I can add more if your interested?