Itunes — Buy Books On

: If you have Apple Family Sharing set up, you can enable purchase sharing so your family group can read books you have already purchased. Buy books and audiobooks on iPhone - Apple Support (JO)

: Tap the Book Store or Audiobooks tab at the bottom to explore curated charts, or use the Search tool to find a specific title or author. buy books on itunes

: Launch the built-in Apple Books App on your device. : If you have Apple Family Sharing set