Three for the Chair has 183 pages.
The Dragonbone Chair has 672 pages.
272 pages
about 200 pages and there are 9 chapters
The Three Impostors has 215 pages.
Three to Get Deadly has 304 pages.
Three Stations has 256 pages.
Skylark Three has 246 pages.
Curtains for Three has 247 pages.
The Clockwork Three has 400 pages.
Witches Three has 423 pages.
These Three Remain has 280 pages.
The Three Palladins has 244 pages.