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Books do not get finished in the gap between intention and bedtime — they get finished by arithmetic. A three-hundred-page book is about ninety thousand words, and at a comfortable two hundred and fifty words per minute with twenty minutes a day, that is a finish date eighteen days away, not a vague someday. This estimator does the arithmetic for any book and any habit, and the answer is usually closer than people fear.
Point a realistic daily reading habit at any book and see the actual finish date — most books are closer than they feel.
Roughly 300 for standard non-fiction. Dense textbooks and academic papers run fewer effective words per page because they need slower reading.
Most adults silently read 200-260 words per minute at good comprehension. Reading faster than that usually means skimming, not finishing.
Twenty minutes a day is about twenty books a year. The people who 'have no time to read' usually have the time and not the arithmetic.
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