Which of the following is the publisher and the number of pages for Rand's 1990 edition of Introduction to Objectivist Epistemology?
A. Harry Binswanger, 314 pages
B. New American Library, 314 pages
C. Objectivist, Inc. 77 pages
D. Dutton, 727 pages

The information can be found by Googling.

Or call the reference desk at your library and ask them to do a quick WorldCat search. Your answer is the first citation under the author and title name.