It's probably a scam. For instance there's this book published today about Fable (https://leanpub.com/claudefable5thedefinitiveguidetoprompten...). And Fable was only released to a wider audience today. Do you think it's a credible book? :/

Well if he's not AI he needs to rewrite his blurb, because it sounds awful.

It's so awful it might not be written by AI, as AI normally writes stuff that's sterile and soulless but precise, whereas his description is just all over the place.

I'm pretty sure his face is GAN-generated, at least.

for context, this is the author I'm referring to https://leanpub.com/u/stevet-team-publications