Allan Holdsworth talking about scales

[idssdi]

Guitar world posted this video of Allan Holdsworth talking about scales and it’s really interesting!
https://www.guitarworld.com/lessons/allan-holdsworths-10-most-useful-scales
I just have one question: does anyone know where I can find that booklet he is talking about?

 

[D K]

Could this be the one?
https://kupdf.com/download/allan-holdsworth-booklet-for-reh-video_58f897bedc0d60963ada9848_pdf

 

[idssdi]

It might be. I’ll check it out! Thanks!