The edition I read was 434 pages long.
240 pages ( counting back pages and front pages) 223 pages of the story (no back and front pages)
Tara of the Twilight has 288 pages.
The Servants of Twilight has 432 pages.
Twilight of the Idols has 208 pages.
Twilight Eyes has 464 pages.
Crossroads of Twilight has 704 pages.
Jedi Twilight has 368 pages.
Planet of Twilight has 416 pages.
The Twilight of Briareus has 255 pages.
The Twilight of Atheism has 306 pages.
A Caress of Twilight has 441 pages.
There are 498 pages in Twilight the book, including the epilogue.