Can I zoom the page or increase the text size?

You can increase the size of the text that you read to make it more legible, or decrease it to fit more onto your screen.

If you are viewing a PDF-based document (or a non-reflowable textbook), click the four-arrows icon in the toolbar to view options for zooming the page:

If you are viewing a EPUB- or web-based document (or a reflowable textbook), click the + or - icons in the toolbar to increase or decrease the text size: