Found 3 books

Passport to the Cosmos

[en] Passport to the Cosmos White Crow Books

Mack, John E.

download read it!
Cosmic Consciousness

[en] Cosmic Consciousness White Crow Books

Bucke, Richard Maurice

download read it!
The Super Mental Training Book

[en] The Super Mental Training Book Robert Stevenson

Stevenson, Robert K.

download read it!