Below are the links to purchase the guided meditations referenced in Becoming Supernatural:

The Generous Present Moment

Tuning In To New Potentials

Blessing Of the Energy Centers I

Reconditioning the Body to a New Mind

Walking Meditation 1

Space-Time, Time-Space

The Pineal Gland

Project Coherence

Alternatively, Dr Joe has made free detailed descriptions available, giving the steps of each of the meditations referenced in Becoming Supernatural at the pdf below.

Becoming Supernatural Meditation Information.pdf

This will give you all the information that you need as to how to participate in and perform each of the meditations referenced in the book.