1. Apple official iBooks v3.0.2
2. Install the downloaded iBook application on your iOS device.
3. Connect the iOS device to iTunes using the data cable.
Use the tutorial
1. Open iTunes and click->-> in the menu bar; Preference settings.
2. preferences-> general, in the general check the book option.
3. At this time, there will be more book options in the database list on the left side of iTunes. Click it.
5. Drag the downloaded e-book directly to enter the interface.
6. Right-click your iOS device in the sidebar on the left side of iTunes, and then click the sync button to sync the e-book to your device.
7. Open iBooks on your mobile phone and select Favorites in the upper right corner. Check the PDF option to read the pdf.