Drunvalo is the author of five books including The Ancient Secret of the Flower of Life, Volumes I & II,Living in the Heart, Serpent of Light and his newest one, The Mayan Ouroboros. These books have been published in 29 languages and reach out to over one hundred countries throughout the world.
In this (long) video he explanes everyting about Merkaba, Flower of Life etc.
I think it's a really good philosofical idea but at some point i'm a bit sceptic