Start with an idea and end as a novelist -- NaNoWriMo has a proven track record with creating authors! What Is NaNoWriMo? National Novel Writing Month began in 1999 as a daunting but straightforward challenge: to write 50,000 words of a novel in thirty days. Now, each year on November 1, hundreds of thousands of people around the world begin to write, determined to end the month with 50,000 words of a brand-new novel.