I bought some free books from the iBooks app on my iPad and later when I synced the iPad to the PC I lost them. Can anyone help me out on how to fix it. It's still there in my iTunes folder. It's strange that I didn't lose the books I didn't buy from them.
iPad 2 OS 4.3.5
iTunes 10.5.3.3
iPad 2 OS 4.3.5
iTunes 10.5.3.3