Click the top LH button which overlays the LH side with a sub-menu.
Sub-Menu by default shows a list of thumbnail images
Click the Sub-Menu 2nd from Left: which shows the Journal Contents
Click top LH again to close the sub-menu overlaying the LH side of the page.
Far RH icon a double chevron, has other display options ..
Presentation Mode is probably the most useful. Press Esc key to return.
