Reading in the Dark has 220 pages.
When It Was Dark has 412 pages.
Dark Watch has 357 pages.
Dark Detectives has 395 pages.
The Dark Rival has 126 pages.
Into a Dark Realm has 386 pages.
The Dark Other has 256 pages.
Dark Prince has 314 pages.
In the Winter Dark has 132 pages.
Dark Challenge has 368 pages.
The Dark Half has 431 pages.
Dark Apprentice has 354 pages.
Arrows in the Dark has 684 pages.