nectanebus3 makes some good points:
Some hints about NAP:
1. Don't perform any 1 ritual for more than a month! The pendulum swings in the opposite direction and you will notice some bad luck coming your way if you do.
2. Try to perform 1 type of ritual everyday at the same time. If you miss a day because something comes up is fine. It will just take longer to get results.
3. Each spirit is under a planetary influence. This means if you work with Jupiter in the Power Gates you will attract people under the sign of Pisces (they will like you). Your planetary force rules that sign. Those under the sign of Gemini will not like you and may become your enemy. Mr Gray-Cobb does not mention this in his book. Godwins Cabalistic Encyclopedia will show you which zodiac signs you will rule when you work with a planetary force. My testing has found this to be true.
4. The book is great for these fast paced times we are in. It does not take a lot of preparation work like other forms of sorcery/magick. However, the Power Gates are so strong you may feel under mental strain if you work with Saturn (deep sorrow). The rituals need improvements such as LBRP or other forms of protection. The book call on angelic forces outside oneself. You need all the protection you can get. I would almost suggest setting up a circle of protection with blessings such as in Witchcraft.
I would disagree with those on this board that think this is just visualization. I don't visualize well and have not gotten good results with visualization. This book seems 3 to 4 times stronger than my visualization alone.