These books are in .pdf format. You'll need the free Adobe Reader to access them. If you don't already have it, you can get it at http://get.adobe.com/reader/ .
These .pdf books also work in eReaders such as the Kindle and the Nook. To use them with an eReader, you need to first download them to your computer and then transfer them to your eReader via the USB port.
Alternatively, you can "Get" the books (except for the Academic Papers) directly to your web browser or eReader from Archive.org - just search for "M. David Johnson" (include the quotes).
Here are the books which I've written so far:
A Brief Survey of the Gospel of John
A Brief Survey of Textual Criticism
Modified McCheyne Bible Reading Calendar
Towards a Simple Personal References Database
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Book Outline and Notes: Louis Berkhof's Introduction to the New Testament
Analysis of The Identity of the New Testament Text II
Analysis of Vincent and Warfield on Textual Criticism
Text-to-Sermon Paper: Exodus 20:1-6