Thank you for your interest in RadBook. Future versions of the book will include virtualization and load on demand, but for the moment you can bind RadBook to an ObservableCollection and dynamically add items on a page flip. I have attached a sample project demonstrating this functionality. Let me know how it works for you.
Since this is RadBook's first version, I'd like to ask for any feedback you might have. It would be highly appreciated if you could share features that are currently missing and you'd like to see them implemented in the future.
the Telerik team