Introduction to Christianity has 300 pages.
Foundations of Christianity has 288 pages.
Introduction to Objectivist Epistemology has 164 pages.
Introduction to the Science of Hadith has 356 pages.
An Introduction to Zen Buddhism has 130 pages.
An Introduction to Old Norse has 412 pages.
An Introduction to Sustainable Development has 416 pages.
Introduction to Kant's Anthropology has 124 pages.
A Plain Introduction to the Criticism of the New Testament has 418 pages.
Introduction to Christianity was created in 1968.
The ISBN of Introduction to Christianity is 978-1-58617-029-5.
108, excluding the contents and introduction
There are 400 pages if you are only going by page numbers, 401 if you count the FACTS page infront of the introduction.