Anne of Green Gables is a 1908 novel by Canadian author Lucy Maud Montgomery (published as L. M. Montgomery).

Written for all ages, it has been considered a classic children's novel since the mid-twentieth century.
(from wikipedia.org)

Lucy Maud Montgomery (1874 - 1942), published as L. M. Montgomery, was a Canadian author best known for a series of novels beginning in 1908 with Anne of Green Gables.

The book was an immediate success. The central character, Anne Shirley, an orphaned girl, made Montgomery famous in her lifetime and gave her an international following.
(from wikipedia.org)