Duerra,
PR helps you to find the 'natural' learning ability you already posess but has been repressed since the age of 5! Thanks to our good ol education system.
One learns best when relaxed, thus the reason for being in a relaxed state. The book will show you the 321 method to get into state ... really you can use whatever pleases you to get yourself into a relaxed state.
They claim that tilting of your head and flipping of the book pages will also help you to get into or stay in a relaxed state.
I think that you will be plesantly surprised by what you learn ... the cocktail weenie demonstration had me cracking up! 