It depends on the edition. The hardcover edition is 342 pages.
The Wallchart of World History has 15 pages.
Glimpses of World History has 1192 pages.
Zombie Lover has 294 pages.
Track of the Zombie has 185 pages.
The Times Atlas of World History has 360 pages.
The Zombie Survival Guide has 272 pages.
Zombie Bums from Uranus has 275 pages.
Its 275 Pages Long
Queers in History has 587 pages.
Hardcore History has 246 pages.
The City in History has 657 pages.
Living History has 562 pages.