When combined, the total Harry Potter series word count is over a million words. At an average reading rate, that’s about 60 hours of reading.
The total Lord of the Rings word count is over half a million words. At an average reading rate, that’s about 30 hours of reading.
The Hunger Games trilogy has 301,583 words and takes about 17 hours to read.
The entire Game of Thrones series is nearly two million words.
The Twilight series by Stephenie Meyer total 587,246 words which take about 33 hours to read.