This is likely because a default zoom level has been set in your browser, and this default value is above or below 100%.

For best results, please set your default zoom level at 100%, and if you wish to zoom into the pages, use the “pinch-to-zoom” gesture. This will ensure that you are able to see the eBook in the way it’s meant to be viewed.

If pinch-to-zoom is not available, you can use the following shortcuts:

On a Mac, double tap on the magic mouse or press ‘CMD(⌘)’ and ‘=’ on your keyboard
On a desktop PC, use the magnification tool by pressing ‘Ctrl’ and ‘+’ on your keyboard.
If you have additional queries, then feel free to contact our support team via our Online Chat feature. Our support team are available 24/7 for you. You can access the online chat even without logging in.