On moods...
She was the youngest, so didn't get to go with family on vacations. Most of the time, she would stay with her aunt. She recalls a vacation missed in Florida, and another in Washington, DC. While the family was away on vacation, she would use her imagination wildly and experiment with things and ideas of how they work.
These tricks became stories in her Judy Moody books with her brother Stink. Which created the book: Ant and Honey Bee.