Fear Is the Key has 234 pages.
The House of Fear has 256 pages.
Fear on Wheels has 153 pages.
State of Fear has 641 pages.
The Fear Index has 323 pages.
The Face of Fear has 320 pages.
Fear the Darkness has 256 pages.
The Fear of Freedom has 257 pages.
Mortal Fear has 479 pages.
Fear - Zweig novella - has 75 pages.
339 pages
The Glass Key has 214 pages.
The Witchmaster's Key has 179 pages.