Much of the material in the following pages has appeared in current publications. It is here presented in book form in the hope that it may prove of value to those groups of people who in many cities are making a gallant effort to minimize the dangers which surround young people and to provide them with opportunities for recreation. (Introduction by Jane Addams)

Jane Addams (1860 – 1935) was the first American woman to be awarded the Nobel Peace Prize. In a long, complex career, she was a pioneer settlement worker and founder of Hull House in Chicago, a public philosopher, a sociologist, an author and a spokesperson for women's suffrage and world peace. (from Wikipedia)