If you download books to read with iBooks for iPhone and iPad, you can easily adjust reading settings such as text size, screen brightness, and more right within the app to better suit your reading preferences.
Follow along and we'll show you how.
These settings are specifically there in order to make reading more enjoyable and accessible to everyone. If you're reading at night, perhaps you prefer a darker theme instead of a bright white background. During the day, you can switch the theme back or increate brightness whenever you'd like.