Book Tower is a 145 m, 38-story skyscraper located at 1265 Washington Boulevard in Downtown Detroit, Michigan, within the Washington Boulevard Historic District. Construction began on the Italian Renaissance-style building in 1916, as an addition to the original Book Building, and finished a decade later, making it, at the time, the tallest building in D…Book Tower is a 145 m, 38-story skyscraper located at 1265 Washington Boulevard in Downtown Detroit, Michigan, within the Washington Boulevard Historic District. Construction began on the Italian Renaissance-style building in 1916, as an addition to the original Book Building, and finished a decade later, making it, at the time, the tallest building in Detroit. The building was designed by architect Louis Kamper, an American architect, active in and around Detroit and Wayne County, Michigan.