hands down the best book you can read as a creative. I re read it recently and it has every golden nugget of advice I've gotten through my 8 years of art school plus the gems I learned in my creative career.
WONDERFUL resource for pricing, but it also has templates for invoices, contracts, etc. Used it for every major project in my professional career.
I bought this book because on the back it said there was magic in it, and it was so good I forgot about the magic until it was introduced mid story. Beautiful stuff.
For inkers and illustrators! Practice your skills :)