I am an artist who became a programmer many years ago. While it is a difficult transition, it is not quite as uncommon as I thought. If this book had existed back then, it'd have been much easier and more fun.
I occasionally train people in how to program, I bought Design by Numbers because it starts at the beginning. Instead of going the "Hello, World!" route, it teaches how to use programming to get visual results instead of textural results. This book has been designed for visual people to learn the basics of programming logic, in my mind, that means it will work for just about everybody.
When I'm teaching, I tell my students that the biggest hump is learning the programming logic, not the language. Once you've got the understanding of the logic, each new language you learn becomes easier to pick up. This book does a great job at assuming nothing and explaining everything.
Lastly, it is very attractively designed, so it will appeal to the artist.