How to recover Sample books in iBooks?
Though iBooks allows you to recover lost purchased books redownloading from, an option like this doesn't exist for downloaded samples. Case in point, I download samples of books in iBooks as a way to capture books that I intend to buy -- instead of keeping a list. I recently lost 2+ years of saved Sample books (for no apparent reason) and now can't figure out how to recover them.
Is there a way to restore or identify the files from an old back? If so, what would be the specific steps? Thanks.
iBook, iOS 5.1.1