I need curly effects like iBook pages.
How to do this using Segue with storyboard?
you must use the UIPageViewController.
This allows you to accurately use iBook-specific effects, but IMHO you need to do this programmatically.
You can use this tutorial to get you started:
http://www.ioslearner.com/implementing-uipageviewcontroller-programatically-without-storyboarding/