Start with high-confidence artist essays books, then narrow by subgenre or adjacent topics.
The Principles of Uncertainty
Maira Kalman
I Paint What I Want to See
Philip Guston
How to See
David Salle
Dime-store Alchemy
Charles Simic
Strange Hours: Photography, Memory, and the Lives of Artists
Rebecca Bengal, Joy Williams
The Picture Not Taken
Benjamin Swett
Dakota Modern
Kathleen Ash-Milby, Bill Anthes
On Homo Rodans and Other Writings
Remedios Varo, Margaret Carson