The layout doesn't change depending on the size or orientation of a device. The layout is maintained in the exported EPUB book. Landscape templates are exported to EPUB with fixed layouts. Because of this, your book may look different from the original document when opened in Apple Books or other reader apps.* In the exported EPUB book, text adjusts to different sizes or orientations of devices. With a Portrait template, you can choose to use reflowable text when you export to EPUB.
Choose the template that's best for your content:.In the template chooser, scroll down to the Books templates.In the document manager in Pages on your iPhone, iPad, iPod Touch, or on, tap or click the New Document button. In Pages on your Mac, choose File > New.Pages includes two categories of templates specially designed for creating EPUB books.
