First name of the best-selling American author of the 20th century (as of 1970)

On this page you may find the First name of the best-selling American author of the 20th century (as of 1970) crossword puzzle clue answers and solutions. This crossword clue was last seen on January 4 2025 in the popular Newsday Crossword Puzzle. We have found 1 possible solution matching the query “First name of the best-selling American author of the 20th century (as of 1970)” and the answer is shown below.

The possible answer is:

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