Dr. Identity has 212 pages.
Defending Identity has 234 pages.
The House of Lost Identity has 325 pages.
Dr. Futurity has 138 pages.
The House of Dr. Edwardes has 308 pages.
Dr. Heidenhoff's Process has 140 pages.
Dr. Franklin's Island has 245 pages.
From the Notebooks of Dr. Brain has 385 pages.
The Circus of Dr. Lao has 154 pages.
"Dr. Seuss's Sleep Book" has 64 pages.
The Mystery of Dr. Fu-Manchu has 308 pages.
Dr. Nikola Tesla Bibliography has 237 pages.
Dr. Identity was created in 2001.