Voyage Into The Next Dimension (Unterwegs in die nächste Dimension), a German production with english voice-over this movie:
A very interesting documentation on shamans from all over the world, including the great ayahuasquero Don Agustin from the Peruvian Amazon, Anthony Vivero from the Philippines and his daughter, Evgeny Boderenko from Russia who made a scientific proof of his abilities, Lhamo Dolkar from Nepal, U Shein from Burma and the great mudang Hiah Park from Korea.
The book on german:
http://www.amazon.de.../toc/3442218365