Students and teachers can Zoom in and Zoom out of an eBook in the eReader, using this feature.1. Click on the Zoom In icon to enhance the size of a page on the eBook. Maximum zoom-in limit is 600%. The Zoom In icon will fade away after reaching the maximum limit.2. Click the Zoom Out icon to decrease the size of hte page on an eBook. Maximum zoom-out limit is 100%. The Zoom Out icon will fade away after reaching the maximum limit.