Navigate to “Lessons” in the left side-bar.
Click “Add Content +”
3 . Click “Add Text” under “Simple Content Items”.
4. Click The Arrow in the upper-left corner of the text editor to expand all text options.
5. Click the “Shopping cart” icon on the right-most side of the 2nd row to add a new content item.
6. Select “FlatWorld Textbooks” with the magnifying glass next to it.
7. Follow the normal content-item steps to embed a link to Flatworld into Sakai.