It dosn´t. I noticed i could read a bit via kindle and read the pages i could. first, its the exect transkript of the videos and second, there is no mension of dr. bob. i mean, look at the book you self:
https://www.amazon.com/-/de/dp/B09V5DM9N2/ref=tmm_pap_swatch_0?_encoding=UTF8&qid=1668441888&sr=1-1
So its not leagel and its also unbelivably dirty.