Please follow the given steps to use the zoom feature on the eBook:
You can zoom in into a paragraph or a diagram on the eBook
- Use your fingers and pinch-to-zoo gesture on the touchpad of your MacBook or Laptop 
- Or, if you are using Magic Mouse you can simply double click 
- Or, you can use the following key combination on your keyboard 
- On Mac : Press 'Command' and '=' 
- On Desktop PC : Press 'Ctrl' and '=' 
Please watch the given video for example


















