I’ve learned a lot about shooting solar from his videos. That calm, smart guy on YouTube who has an all-solar channel and takes great solar shots. He won a NASA APOD for a solar image, too.
Just grabbed his book (it’s PDF and paperback, I got PDF since the old eyes aren’t what they used to be). 376 pages, many images.
He has a video announcing it:
https://www.youtube.com/watch?v=BQOui789tQg
Whee!