May 24, 2013, 3:21 PM — Before you buy an ebook, download a free sample in Apple's iBooks app.
1. Open the iBooks app.
2. Tap the Store button.
3. Find the book you are interested in and tap the cover.
4. A menu will pop up.
5. Tap the Sample button to download your free ebook sample.
For more, see the original article at the link below.