aXmag can convert your PDF to audio eBook, with page turning effect. Following steps would show you how to quickly build an aXmag audio book.
1. Prepare your PDF with all the pages, get audio files (for each page) ready for use
2. Run the aXmag software and select your PDF file, go through the wizard and get to the «conversion completed» page
3. Now you will have the «Instant Modify» button in this page, click it and find the «Add content» button on top right hand in the window to add audio content
4. Check the «Auto flip» to enable the «read to me» function, so that you are now setting up an audio book
5. Use the «Pre page» and «Next page» buttons to navigate and preview page thumbnails
6. When you need to associate an audio with a certain page, just click «Add audio«
7. Browse and select the audio file for the current page, click “OK” to save the settings
8. Repeat step 5, 6 and 7 to make all the audios attached to every page of this eBook
9. Save changes and enjoy it

Please note, your PDF should contain all the pages in one single file. You may combine all the pages into one PDF file with a 3rd party PDF binder.