LH: Have you read Perkins' books on time travel, headshrinkers, shapeshifting and Shamanisim?

Psychonavigation: Techniques for Travel Beyond Time.

Shapeshifting: Shamanic Techniques for Global and Personal Transformation.

The Spirit of the Shuar (headshrinkers and not the medical type)

And here is the real apex of them all:
The World Is As You Dream It: "shamanistic techniques from the Amazon and Andes."