More to explore:
9. Art & Fear: Observations on the Perils (and Rewards) of Artmaking by David Bayles and Ted Orland This book is a fantastic companion for any creative person who wants insight into the internal process of art-making. If you're hoping to identify with other artists who have faced doubts, fears and obstacles, you'll not be disappointed. Whenever I have doubts, I re-read passages and instantly feel better.
Worth reading over and over