The textbook for the course is known by different names around the world, but has consistent content. The names by which it is known are:
Foundations for Faith
Foundations for Righteous Living
Foundations for Christian Living
Foundational Truths for Christian Living
Spirit-Filled Believers Handbook
The book has also been published in different formats. In the beginning, it was published as seven different booklets which correspond to the seven parts of this course. It was then published as three booklets which correspond to the three modules which are still clear in the paper-based version of the course, but not as obvious in the online version. See Glossary entry on Modules to read more about it.