The illustrations are gorgeous, and they've been floating around the internet for some time, e.g. the one with the pairs of fish which look like eyes.
https://photos.app.goo.gl/LLFrSW9XQLUqc8348
I paid $110 for it in 2013. They put out a new edition every few years with a few extra pages added, so I am sure my copy has declined in value since.
1st Ed. Now worth $6,000 oh well.
(When I was a kid, Dennis Wheatley paperbacks were everywhere. Now I never see them. They were pretty cheap paper, maybe they literally fell apart).
You might think the publisher would ........ publish some to sell.
Actually, I'm wrong, there is a newly published version that costs under a hundred bucks.
The book itself is beautiful and haunting. But I don't think it's for everyone... I have a copy, and I gifted one to someone in my family who really didn't understand the point.
[0] https://en.wikipedia.org/wiki/Codex_Seraphinianus#Writing_sy...
[1] I could not find a source for that talk
[2] Automatic writing, also called psychography, is a claimed psychic ability allowing a person to produce written words without consciously writing. https://en.wikipedia.org/wiki/Automatic_writing