Title: The modern age
Subjects: History, Teenagers, Adolescence, Societies and clubs, Fictional works, Alger, horatio, 1834-1899, Youth, united states, Young adult literature, history and criticism
Places: United States
People: Horatio Alger (1832-1899), Edward Stratemeyer (1862-1930)
Time periods: 20th century, 19th century