""You Are The Hope Of The World An Appeal To The Girls And Boys Of America"" is a book written by Hermann Hagedorn and published in 1917. The book is a call to action for the young people of America, urging them to become active participants in the war effort during World War I. Hagedorn argues that the future of the world depends on the actions of the youth, and that they have the power to make a difference. The book is filled with inspiring stories...