The Complete Guide to Middle-earth has 573 pages.
The Complete Guide to Prehistoric Life has 216 pages.
The Complete Idiot's Guide to Publishing Science Fiction has 360 pages.
Tolkien's World from A to Z: The Complete Guide to Middle-Earth is by Robert Foster. It has 569 pages. The mass market book A Guide to Middle Earth is also by Robert Foster. It has 283 pages.
The Guide has 220 pages.
The Discontinuity Guide has 357 pages.
A Guide for the Perplexed has 160 pages.
A Guide To Keynes has 237 pages.
A Guide to Window-Dressing has 80 pages.
A Practical Guide To Racism has 224 pages.
The Zombie Survival Guide has 272 pages.
Wilderness Survival Guide has 128 pages.
The Hitchhiker's Guide to Lean has 196 pages.