Between 40-100 pages per hour is the average, but that's a wide range. I'd say about 50-60 pages per hour would be about average. If the topic of the literature is particularly dense/packed with information the number will move to the lower end of that range.
Commitment Hour has 352 pages.
The Hour of the Gate has 304 pages.
The Wolf's Hour has 480 pages.
The Hour of the Dragon has 255 pages.
The Secret Hour has 297 pages.
In Evil Hour has 183 pages.
Nightmare Hour has 148 pages.
Ask John how fast he can read. That varies, from person to person.
The Witching Hour - novel - has 976 pages.
There are 315 pages in Warriors The Darkest Hour
The Darkest Hour - Warriors - has 336 pages.
About three.