Does the Perfection Next app work offline?

Does the Perfection Next app work offline?

The Perfection Next app can be used offline. Any eBooks a user has downloaded from their bookshelf can be accessed while disconnected from the Internet. Annotations or notes made while in offline mode will be synced to the system upon re-connection with the Internet. 

Offline access is not available for laptops or desktops.

It is important to note; interactive versions of the text are not available offline.