Many clients and customers have expressed a desire to have an electronic user manual for the DNN installation they manage.  We have that manual available.  The document is a 600+ page PDF with tagged searchable index and is full of screen shots and in-depth explanations of how to do some of the more basic as well as more advanced aspects of DNN content management.  The link is provided below.

http://new.golamac.com/DNNguide.pdf