Ragged Dick; or, Street Life in New York with the Boot Blacks is a boys' book by Horatio Alger, Jr. It was published in parts (serialization) in the magazine "Student and Schoolmate" in 1867. It was then published as a book in 1868 by A. K. Loring of Boston, Massachusetts. It was the first of six books in the "Ragged Dick" series. It was Alger's bestselling book.