I just backed this art book printing and reprinting project!

I kept seeing bits of the artwork copied into places like Instagram, and I didn’t know where it came from. But then I stumbled across the book reprint project on Kickstarter. And that led me to the source, the Etherington Brothers out of England:

https://theetheringtonbrothers.blogspot.com/

The website has hundreds of little segments giving tips and tricks on drawing and writing topics.