IPhone : i want to purchase ePub Reader for arabic for my iPhone application which should have all the basic functionality

i want ePub3 Reader for my application.so i want to purchase the ePub3 Reader and embed it into my application. ePub Reader should have following functionalities : 1.it will support arabic and its layout should be like arabic books 2.its performance should be good 3.it should have all the basic functionalities like page curl animation, bookmarks, search, changing font size, will show chapters, page slider etc. can any one help me ? i have made a ePub reader from an open source code but i could not made it good for arabic.so i want to purchase it now for my application.Any help will be appreciated.thanks