Sharlee Glenn's picture book Library on Wheels tells the true story of America's first bookmobile. If you can't bring the man to the books, bring the books to the man. Mary Lemist Titcomb (1852-1932) was always looking for ways to improve her library. As librarian at the Washington County Free Library in Maryland, Titcomb was concerned that the library was not reaching all the people it could. She was determined...