The Fall of the Towers has 413 pages.
The Towers of Toron is by Samuel Delany. The Ace paperback has 140 pages. It is also sold together with Out of the Dead City and City of a Thousand Suns.Together they are called The Fall of the Towers Trilogy.
Towers of Darkover has 336 pages.
The Towers of Silence has 392 pages.
The Fall of Colossus has 186 pages.
Stone's Fall has 608 pages.
The Fall of Neskaya has 431 pages.
The Fall of the Pagoda has 308 pages.
Arrow's Fall has 320 pages.
A Fall of Moondust has 224 pages.
Night Fall has 496 pages.
Adams Fall has 245 pages.
Catch Me When I Fall has 336 pages.