How many letters does the top answer for “wrote the wind in the willows” have?

The most common answer is grahame (7 letters).

Crossword clue: wrote the wind in the willows

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

grahame 7 letters wd-fact-v3

English writer (born in Scotland) of children's stories (1859-1932)

author of the wind in the willows 50% similar → grahame

wrote blowin' in the wind 50% similar → dylan

wrote gone with the wind 50% similar → mitchell