Do you mean you want a book page flip like effect?... this would require quite a bit of mathematics to calculate angles of the current page and next page being overlayed and display respectively, but have a look at
https://github.com/thinkpixellab/bot[
^]
It has cool WPF tricks, and a page flip is one of them, then you'd hook up the page animation code in your gesture.GestureRecorgnized() event, which I assume you have sorted out.