Invaders from the Dark has 168 pages.
Invaders from Rigel has 224 pages.
Invaders from the Infinite has 189 pages.
When It Was Dark has 412 pages.
Invaders from the Dark was created in 1925.
Reading in the Dark has 220 pages.
In the Winter Dark has 132 pages.
Dark Watch has 357 pages.
The Dark Griffin has 528 pages.
Dark Challenge has 368 pages.
The Dark Goddess has 423 pages.
The Dark Half has 431 pages.
Dark is the Moon has 704 pages.