The Old Castle's Other Secret or A Letter From Home has 34 pages.
Castles of Steel has 880 pages.
I Had Seen Castles has 97 pages.
The book Shakespeare's Secret by Elise Broach has 272 pages.
Cybele's Secret has 410 pages.
The Secret of Sinharat has 95 pages.
The Secret River has 334 pages.
The Manticore's Secret has 536 pages.
Secret Windows has 433 pages.
The Secret Panel has 192 pages.
The Secret People has 256 pages.
The Dutchman's Secret has 24 pages.
The Secret Hour has 297 pages.