▶Free Video Lesson: 8 Steps to Avoid Overworking Your Painting
https://www.learntopaintwatercolor.co...
This book was put together after Joseph's solo exhibition in Handan, China in November of 2019. Only a limited number were printed. Sorry, I can't direct you to a place to buy a copy. There aren't any available that I know.
If you are looking for more content on watercolor please check out my channel. / @learntopaintwatercolor
I also offer full length tutorials on at www.learntopaintwatercolor.com/watercolorcommunity