The book "National Symphony Orchestra" offers a comprehensive insight into the history and development of the National Symphony Orchestra (NSO), which was founded in 1931. It highlights the beginnings of the orchestra, which initially performed at Constitution Hall, and the significant role of its first music director, Hans Kindler. Under his leadership, the musicians received a weekly salary and made numerous recordings that contributed to the orchestra's fame. The book also addresses the artistic achievements of the NSO, including the performance of significant works, and serves as a valuable resource for music lovers and professionals interested in the development of American orchestral music.