Past Imperfect has 314 pages.
Past Continuous has 282 pages.
The Sense of the Past has 351 pages.
Specter of the Past has 352 pages.
The Hidden Past has 144 pages.
Children's Past Lives has 368 pages.
Half Past Human has 279 pages.
India's Ancient Past has 400 pages.
Billiards at Half-past Nine has 280 pages.
Never Preach Past Noon has 272 pages.
"Four Past Midnight" by Stephen King has around 900 pages, varying slightly depending on the edition and font size. It is a collection of four novellas, each with its own page count.
over 4000 years