Hi all, I just noticed that the size of a book in my ipad is bigger than the same one in my library. "Winnie the pooh" is 10.4 MB on my ipad where as the same book is 9.6 MB in my library. So i just checked my entire library. I have 502 books which take up 244.4 MB in library, where as the same 502 books take up 642.2 MB on my ipad!! Almost 400 MB more! Has anyone else noticed this thing? How do i fix it?