Zero Cool has 192 pages.
How to Be Cool has 160 pages.
T zero has 164 pages.
Code to Zero has 384 pages.
Towards Zero has 242 pages.
Zero History has 416 pages.
Count Zero has 256 pages.
Tau Zero has 208 pages.
A Cool Head has 128 pages.
Cool Gardens has 96 pages.
Vampire Zero - novel - has 336 pages.
Hull Zero Three has 320 pages.
Zero Minus Ten has 259 pages.