How many letters does the top answer for “author of anne of avonlea” have?

The most common answer is montgomery (10 letters).

Crossword clue: author of anne of avonlea

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

montgomery 10 letters wd-fact-v3

the state capital of Alabama on the Mobile River

author of anne of ingleside 50% similar → montgomery

author of anne of the island 50% similar → montgomery

wrote anne of avonlea 50% similar → montgomery