The Crystal World has 221 pages.
The Crystal Horde has 254 pages.
The Crystal Frontier has 280 pages.
The Crystal City has 416 pages.
Irish Crystal has 304 pages.
The Crystal Star has 309 pages.
Crystal Express has 264 pages.
A Crystal Age has 287 pages.
Crystal Rain has 352 pages.
Crystal Mask has 255 pages.
Nor Crystal Tears has 231 pages.
Dynamical Theory of Crystal Lattices has 432 pages.
Terminal World has 487 pages.