Please follow the steps below to download your purchased eBooks to your Android Device :-
1. Download the AHA eBooks app from Google Play: https://play.google.com/store/apps/details?id=com.impelsys.aha.android.ebookstore
2. Login using the registered credentials from the 'Account' tab [through the menu option].
3. Tap on 'Bookshelf' option.
4. Here, your purchased eBook(s) will be listed with a Download Option.
5. Tap on the eBook, it will start downloading to the 'Bookshelf '.
6. After downloading, you can access eBook(s) from the 'Bookshelf '.