How many letters does the top answer for “wrote white fang” have?

The most common answer is london (6 letters).

Crossword clue: wrote white fang

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

london 6 letters wd-fact-v3

the capital and largest city of England; located on the Thames in southeastern England; financial and industrial and cul

author of white fang 50% similar → london

wrote the white castle 50% similar → pamuk

wrote the white goddess 50% similar → graves

wrote the white guard 50% similar → bulgakov

wrote the white ship 50% similar → aitmatov

wrote the woman in white 50% similar → collins

wrote white noise 50% similar → delillo

wrote white teeth 50% similar → smith