Your bookmarking tool looks like this:
You will need to add it to your favourites bar before you can start adding resources to your reading list.
From Aspire, go to 'my bookmarks' and the install bookmark button:
Simply follow the instructions on the screen, or have a look at the short screencast below. For Firefox and Chrome it's simply a matter of dragging and dropping the 'add to my bookmarks' tool onto your favourites toolbar.
When you can sign in and you have your add to my bookmarks tool on your toolbar, you are ready to create your reading list
Note: If you can't see the 'add to my bookmarks' tool on your toolbar, first check that your toolbar is visible, like this, if you are using Chrome: