Apple iPhone 4s - Read PDF Files; Access your entire library in iCloud

Remove books. Tap Select, select some books, tap Delete, then choose an option.
Hide books you haven’t downloaded. If you see on a cover or next to a title, you can
download the book again without charge. To remove from view the books that aren’t
downloaded, tap the name of the current collection (at the top of the screen), then turn on
Hide iCloud Books.
Read PDF Files
Add a PDF email attachment to iBooks. Open the email message, touch and hold its PDF
attachment, then tap Copy to iBooks. Or, tap the PDF attachment to open it, tap any page,
tap , then tap Copy to iBooks.
Print a PDF document. With the document open, tap , then choose Print (you need an
AirPrint-compatible printer). For more about AirPrint, see .
Email a PDF document. With the document open, tap , then choose Email.
Access your entire library in iCloud
You can store your PDF files and other books in iCloud and access them on your other
devices.
Turn on iCloud for iBooks. Tap Use iCloud when asked after you open iBooks (you see
this only when you’re signed in to iCloud).
When you add a PDF file (or a book that doesn’t come from the iBooks Store) to iBooks, the
document is uploaded to iCloud. The document is also added to your other devices where
you’ve turned on iCloud for iBooks and you’re signed in to iCloud with the same Apple ID.
To change whether to use iCloud for iBooks, go to Settings > iCloud > iCloud Drive, then
turn iBooks on or off.
Note: The books in your Purchased list in the iBooks Store are available anytime and don’t
count against your available iCloud storage space.
iBooks settings
Restrict access to books and audiobooks with explicit content. Go to Settings >
General > Restrictions then select an option for Books.
AirPrint