The Doctor In War has 481 pages.
Where There Is No Doctor has 512 pages.
The Doctor Is Sick has 261 pages.
The Blood Doctor has 400 pages.
Doctor Omega has 258 pages.
Doctor Sax has 245 pages.
Doctor Glas has 150 pages.
Death of the Doctor has 128 pages.
Doctor De Soto has 32 pages.
Doctor's Orders - novel - has 291 pages.
The Fall of Doctor Onslow has 218 pages.
The Story of Doctor Dolittle has 180 pages.
Doctor Fischer of Geneva has 140 pages.