"Most of the good things that have happened in my life happened because of books," says Pulitzer Prize-winning author, journalist and historian Garry Wills — and that includes meeting his wife. They met on a plane — he was a passenger, she was a flight attendant. She took one look at his book and told him that he was too young to be reading French philosopher Henri Bergson.

"I was a bookworm from the very beginning and to this day," Wills tells NPR's Robert Siegel. "There's practically no minute of the day that I don't have a book in hand."

Wills has written many books of his own — about Richard Nixon, Abraham Lincoln, the Declaration of Independence, Christianity and more. His latest work is a memoir called Outside Looking In: Adventures of an Observer....