When In Doubt, Make It Up

My Kindle was on the table, in screen-saver mode.  Many of the screen-saver images feature famous authors.

"Anne Ghoul-berg!"  Little Brother exclaimed when he saw the picture on the screen.

"Who?"  I said, picking up the Kindle.  "This is Agatha Christie."

"Oh!  I thought it was Anne Ghoul-berg," he explained.

"Who's Anne Ghoul-berg?  Where did you hear of her?"

"In my mind," he replied proudly (I should have known).

I switched on the Kindle and resumed reading my book.  After a few quiet moments, Little Brother inquired, "Is there an Anne Ghoul-berg?"