President Theodore Roosevelt called himself a "book lover" and for good reason. From his boyhood days in the 1860s to the very end of his life in 1919, Roosevelt had a deep-seated passion for reading books. Wherever he went, he brought books with him. Whether he was rounding up cattle on a ranch in North Dakota, giving campaign speeches from the back of a train, governing the nation from the White House, or exploring an uncharted tributary of the...