The book you linked in the question (http://deconcentration-of-attention.com/psychonetics.html) is the most comprehensive resource in English I’ve seen. It also covers basic exercises really well, I can help you with translating more advanced ones once you hit the ceiling.
The book you linked in the question (http://deconcentration-of-attention.com/psychonetics.html) is the most comprehensive resource in English I’ve seen. It also covers basic exercises really well, I can help you with translating more advanced ones once you hit the ceiling.