Clicking Read Online allows you to access the e-book, and navigate its various sections using the left-hand table of contents. This enables navigation to various points within the text. A search box also allows you to Search Within the book for keywords or phrases.
The toolbar located across the top of the online e-book viewer provides options to increase and decrease text size, as well as progress forwards or backwards, from page to page. It also enables additional functionalities, such as downloading, printing, annotating, citing, sharing, etc.