Mr. Media Interviews By Bob Andelman

Today's Guest: "Zippy the Pinhead" cartoonist Bill Griffith, who reveals his late mother's sordid history in Invisible Ink: My Mother's Secret Love Affair with a Famous Cartoonist!!, a graphic novel.(Tech Note from Mr. Media: For some stupid reason, my audio during this interview is engulfed in static; I don't know why. The good news is that my guest, Bill Griffith, sounds and looks great. I apologize for the sound difficulties in advance.)BILL GRIFFITH podcast excerpt: "My mother read my work from the very beginning. It caused her quite a bit of discomfort. There's a point in the book where I quote from a letter she wrote to me in the early '70s where she says, 'Tell me, Dear Son, how do I tell my friends about your work, since it's often X-rated and pornographic? What do I say to them when they say, "Your son draws dirty pictures!"' She literally wanted me to advise her."Key interview moments:• 8:15 Ever wonder how an adult-oriented artist such as Bill Griffith explained their work to Mom? Or how Mom, full