To view the book full screen, click the box to the left of the page numbers. When viewing the online journal, the arrows underneath the book will flip the pages. The far left arrow brings you to page 1. The 2nd from the left arrow flips backwards one page at a time. The middle arrow is a play and pause button. Pressing it will make the pages flip automatically and pressing again will pause them. The 2nd from right arrow flip pages forward one page at a time. The far right arrow will take you to the back cover.
If you are experiencing pages flipping and not stopping, try pressing the middle arrow/pause button.