node.live

Whilst browsing through the site, you may have noticed the list of words at the bottom right-hand-side of a post's view: 

The 'add new comment' option can be found at the bottom left hand side of any blog or book post. You must be logged in to post a comment, if you are not you will see a link inviting you to log in and post a comment:

...Is quite simple really.

1. Click on the Login/Register link at the top right hand side of the screen. 

Inserting an image in a book or blog post is a bit fiddly at first, but relatively simple once you know how. The insert image button in your tools is an image of a small tree (see to the right of image below).  

Navigating through a book structure/between book pages is relatively simple once you know how:

From the drupal website:

"The forum module lets you create threaded discussion boards, called forums,
on your site. This is similar to a message board system.
Forums are very useful because they allow community members to discuss
topics with one another, and the discussions are archived for future
reference.