Below are some frequently asked questions about EPUBs and how they differ from standard books.
What is a reflowable EPUB and how does it work?
A reflowable EPUB is a digital file format for e-books where the text automatically adjusts to the reader’s screen. The text effectively ‘flows’ with the screen size, font, and font size, allowing each reader to set up a personalized reading experience.
What are the main differences between a reflowable EPUB and a printed book?
In a printed book, the layout is fixed: text, images, and page numbers are always in the same place. In a reflowable EPUB, however, the content can adapt to the device and the reader’s preferences. This eliminates fixed page layouts, and the visual structure can vary greatly per user.
Why are traditional page numbers missing in a reflowable EPUB?
Because the text in a reflowable EPUB adapts to screen size and font settings, there are no fixed pages like in a printed book. Some EPUBs use ‘reference page numbers’, but this requires extra coding and is not always implemented.
Can I use the same typography in a reflowable EPUB as in a printed book?
No, a reflowable EPUB only supports basic formatting such as headings, bold, italics, and indentations. Advanced typography like columns, fixed line spacing, or precise alignment is not reliable in this format. The emphasis is on flexibility, not visual control.
How are images and tables handled in a reflowable EPUB?
Images can be included in a reflowable EPUB, but they must be scalable and responsive. Complex tables or charts are often poorly rendered and frequently need to be simplified or replaced with textual alternatives for optimal readability.
What are the advantages of a reflowable EPUB compared to a fixed-layout file?
A reflowable EPUB is more accessible, flexible, and compatible with a wide range of devices. Readers can choose font size, colors, and fonts themselves. The format works well with screen readers and other assistive technology, and it has a small file size.
When is it better to choose a fixed-layout EPUB instead of a reflowable EPUB?
A fixed-layout EPUB is suitable for books where the visual layout is essential, such as picture books, art books, or complex graphic works. This format maintains fixed positions of text and images but is less suitable for small screens and less accessible.
Can a printed book simply be converted into a reflowable EPUB?
A direct conversion from a printed book to a reflowable EPUB is not possible without adjustments. The content must be reworked with semantic HTML structures, and elements such as page references, tables, and images need to be optimized for digital presentation.
Is it necessary to adapt writing style or editing for publication in reflowable EPUB format?
For a good digital reading experience, it is advisable to use short paragraphs, clear headings, and a linear structure. References like “see page 42” do not work well in a reflowable EPUB; it is better to use “see chapter 3” or “see the section on…”.