Ever Wished Bill Watterson Would Return to the Comics Page? (2014)
But it’s another thing to propose an idea to Bill Watterson. (I could just imagine the email I’d have to write the next day: “Dear Mr. Watterson – The first comic strip you’ve drawn in 20 years was ravaged by a squirrel.”) The only thing Bill ever asked of me was that I not reveal he had worked on Pearls until all three of his strips had run.
Source: stephanpastis.wordpress.com