Anne of Green Gables: The Continuing Story "Anne of Green Gables" and its 1987 sequel "Anne of Avonlea", the screenplay was not based upon Montgomery's works, but instead used Montgomery's characters in a largely original World War I story by Sullivan and Laurie Pearson. Montgomery had written an Anne novel set in that same period, "Rilla of Ingleside", a story focusing on Anne's youngest daughter, and in which Anne was a mother whose three sons were fighting in Europe. The chronology of Sullivan's "Anne of Green Gables" films is not in synch with the LM Montgomery novels, largely because of the spin-off series "Road to Avonlea". Over
Anne of Green Gables (1985 film) films were successful around the world and brought legions of tourists to Prince Edward Island, the Montgomery heirs established an Anne of Green Gables Licensing Authority with the Province of Prince Edward Island to control trademarks to preserve Montgomery's works, through the mechanism of official trademarks. The heirs and the AGGLA became successful at asserting control over the booming Anne-themed tourist industry that the province enjoyed, because of the lack of clarity about the different protections afforded by copyright, trademark and official marks in Canada. AGGLA and the heirs tried to assert control over trademarks Sullivan had established to their