John Scalzi (author of some great science fiction books, and Hugo winner) has an interesting article about long books and productivity , that I strongly recommend. Pay attention to the comparison in the end, between Scalzi and Moore, and between Scalzi and Martin, in terms of word count. I use to write a few hundred words daily (almost every day, really), reaching 1000 some days. So far, my books range between 45 thousand and 62 thousand words, enough to be considered novels, but too much for most literary competitions, which set the limits around 40k words or 120 pages. I tend to go straight to the action and avoid excessive introspection or ramblings, which usually are up to a 40% of long books text. My friend Yoss says I have a good synthesis capability. To write 100.000 words, a small percent of Jerusalem , and much more than my current average, supposing I had the plot to justify that, I would have to work for about seven months. Which, I think, is not that bad, considering t...