Following Anne of Green Gables, the book covers the second chapter in the life of Anne Shirley. Anne of Avonlea follows Anne from the age of 16 to 18, during the two years that she teaches at Avonlea school. It includes many of the characters from Anne of Green Gables, as well new ones like Mr Harrison, Miss Lavendar Lewis, Paul Irving, and the twins Dora and Davy.