Congrats on the 5 winners who will be testing the new fields 
For the others, the following info may help in order where to start the research on astral travel.
I’ve been reading books and other content on astral travel for the last 16 years and had several successful astral projections. Most of these took place a long time ago and in recent years I got distracted with other esoteric research. I am happy to see this topic gets revived in this forum were we can encourage each other to explore new dimensions.
The one book with whose techniques I was able to achieve my first astral projections has been this one:
Besides this, there are ca. 50 other books I can recommend on astral travel, including but not limited to everything from these authors:
- Jurgen Ziewe (also his YT channel https://www.youtube.com/channel/UCRHgi-1l0ipWzJjL12JytEQ/videos )
- Robert A. Monroe
- Robert Petersen
- Robert Bruce
- Rosalind McKnight
- Cyrus Kirkpatrick
- Bruce Moen
- William Buhlmann
And then this website from Robert Peterson:
…where you will find:
- Astral travel book reviews by an actual astral projector pro
- Astral travel articles
- His Blog about astral travel http://obeoutlook.blogspot.com/
My number 1 tip for beginners is:
Constantly consuming content on astral travel in text form, sends a clear message to the subconscious mind, which in turn helps to achieve one’s first projection. So read and imagine for yourself, as much as possible.