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.
Tau Zero has 208 pages.
Count Zero has 256 pages.
Cool Gardens has 96 pages.
A Cool Head has 128 pages.
Vampire Zero - novel - has 336 pages.
Hull Zero Three has 320 pages.
Zero Minus Ten has 259 pages.