Yes you can place almost any Silverlight control inside book's pages. For example you can rely on a common TextBox control and this way to interact with your data source.
We hope this information will help you.
the Telerik team
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Public Issue Tracking
system and vote to affect the priority of the items.