Second, start iTunes and enter preferences in editing.
Third, check whether the book option in the settings is checked.
Fourth, connect the mobile phone to the computer with a data cable, and select it on the left side of iTunes to view the book classification.
Verb (short for verb)? Drag the format e-book you want to import to this blank area, and iTunes will automatically load the e-book.
6. Select the books on the right side of iTunes, check Sync Books, and then select the e-books we want to synchronize.
Seven,? Finally, click the application in the lower right corner of iTunes and wait for iTunes synchronization to complete.
8. Go back to iPhone, open iBook and find the e-book you just imported.