Escape to the Hills has 247 pages.
Bones of the Hills has 416 pages.
The Horror from the Hills has 110 pages.
Bicycle Hills has 204 pages.
Clouded Hills has 381 pages.
Hills End has 174 pages.
The Seven Hills has 368 pages.
The Far Hills has 238 pages.
Royal Escape has 512 pages.
Escape from the Shadows has 278 pages.
Escape from the Forest has 112 pages.
Escape from Kathmandu has 314 pages.
Escape from Memory has 220 pages.