Great Cities of the Ancient World has 510 pages.
Invisible Cities has 165 pages.
Thrilling Cities has 224 pages.
Cities of the Plain has 304 pages.
The Ancient Engineers has 408 pages.
The Ancient - novel - has 384 pages.
Ancient Evenings has 709 pages.
Ancient Shores has 397 pages.
Empty Cities of the Full Moon has 441 pages.
The Ancient Economy - book - has 222 pages.
Hadon of Ancient Opar has 224 pages.
India's Ancient Past has 400 pages.
The War of the Worldviews - book - has 316 pages.