The Artist's Way
by Julia Cameron
Great book for the artist in recovery.
If you're stuck in an artistic block this book gives you exercises and a strategy to reclaim your creative energy.
by Cal Newport
A book about reaching optimal flow state and being efficient with your precious time. This book was a game changer for me and made me more productive in less time.
The Creative Act: A Way of Being by Rick Rubin
An exploration of the creative process with anecdotes and words of wisdom in every step.
The Subtle Art of Not Giving a F*ck
by Mark Manson
Spending less time worrying about what others think of you and your artwork can make all the difference. This book also helped my to stop taking things so seriously.