Addational page flip resources:
Kvisoft Flipbook Maker Pro: http://www.kvisoft.com/flipbook-maker-pro/
Dsktop digital publishing tool that can convert PDF to flash magaine with videos, links, images, sound embedded.
Digital magazine software that can help create digital magazine and other digital publications from PDF, Office files (Word, PPT, Excel), also support embed multi-media files on the pages.
Online publish service that you can upload documents to publish as page flip publications, it is free and iPad friendly.