Adding an archived book to Forth section (#12989)

Author: margaret-hu

books/free-programming-books-langs.md

@@ -790,6 +790,7 @@ Books on general-purpose programming that don't focus on a specific language are
 * [A Beginner's Guide to Forth](https://web.archive.org/web/20180919061255/http://galileo.phys.virginia.edu/classes/551.jvn.fall01/primer.htm) - J.V. Noble *( :card_file_box: archived)*
 * [And so Forth...](http://ficl.sourceforge.net/pdf/Forth_Primer.pdf) (PDF)
 * [Easy Forth](https://skilldrick.github.io/easyforth/) - Nick Morgan (HTML)
+* [Forth Guide](https://web.archive.org/web/20110412231747/http://theforthsource.com/guide.html) - Glen B. Haydon (HTML) *( :card_file_box: archived)*
 * [Starting Forth](http://home.iae.nl/users/mhx/sf.html)
 * [Thinking Forth](http://thinking-forth.sourceforge.net)
 * [Thoughtful Programming and Forth](http://www.ultratechnology.com/forth.htm)