How many letters does the top answer for “author of 8-bit christmas” have?

The most common answer is harris (6 letters).

Crossword clue: author of 8-bit christmas

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

harris 6 letters wd-fact-v3

publisher of the first newspaper printed in America (1673-1713)

author of a christmas carol 50% similar → dickens, zemeckis

author of bits and pieces 50% similar → argento

wrote 8-bit christmas 50% similar → harris