Wright also often designed many of the interior elements of his buildings, such as the furniture and stained glass.Wright authored 20 books and many articles, and was a popular lecturer in the United States and in Europe.Between 1900 and 1917, his residential designs were "Prairie Houses", so-called because the design is considered to complement the land around Chicago. The building is Unity Temple, the home of the Unitarian Universalist congregation in Oak Park.