What was the title of the book that Amy Carter (President Carter's daughter) was reading during a state dinner and that offended some of the invited then guests?

During a state dinner in 1977, Amy Carter was reading "The Little House on the Prairie" by Laura Ingalls Wilder. Her choice of book offended some guests, as they felt it was inappropriate for her to be reading while the dinner was taking place. The incident garnered media attention and sparked discussions about etiquette and expectations for the president's family.