The Forbidden Tree has 336 pages.
Forbidden Colors has 403 pages.
The Forbidden Tower has 364 pages.
Forbidden - Cooney novel - has 320 pages.
Forbidden Planets - Crowther book - has 307 pages.
The Casuarina Tree has 288 pages.
The Mango Tree has 211 pages.
The Tree of Man has 499 pages.
The Tree of Seasons has 306 pages.
The One Tree has 496 pages.
The Janissary Tree has 332 pages.
The Halloween Tree has 160 pages.
Pablo's Tree has 32 pages.