Saving PDF's in Safari
When viewing a webpage, you may see a PDF you want to save. Select the PDF to open it.
Select the ‘Open in iBooks’ option in the upper right. The option disappears quickly, but just tap the screen again and it will re-appear.
Your PDF is now imported into iBooks.
Saving PDF's in Mail
Open the email that contains the PDF file as an attachment. Select the PDF.
The PDF will open. To save to iBooks, select the Sharing option on the bottom of the screen.
Select import with iBooks. The PDF will be imported into iBooks and appear in iBooks.
Viewing PDF’s in iBooks
Open your iBooks app and select My Books.
Select your PDF to view. Since iBooks uses iCloud, these PDFs will be available on all of your Apple devices.
You may see your PDF's in a list. Select the icon in the upper left cover to view covers.