Articles
EPUB Language Settings: Control Navigation, Colophon, and Date Labels
EPUB language settings involve two editorial decisions: the publication’s bibliographic language and the visib […]
How to Change EPUB Language Without Leaving Mixed Labels
To change EPUB language safely, keep a before-and-after package and compare four destinations: OPF language, c […]
How EPUB Language Settings Affect Navigation, Colophon, and Dates
Imagine that two files arrive in a release folder with names that cannot be trusted. One was exported with Jap […]
EPUB Metadata Checklist: Language, Edition, Identifier, and Cover
A reissue is not complete merely because its new cover appears in a preview. The package may still carry an ol […]
Why EPUB Files Still Include NCX Navigation
An epub ncx file can provide navigation information for older reading environments, but its presence alone doe […]
What Is an EPUB Navigation Document? A Practical Verification Guide
An epub navigation document tells readers which parts of a publication are offered as navigation choices. Publ […]
EPUB Navigation: Build a nav.xhtml Table of Contents That Reaches the Right Chapters
For epub nav, an EPUB navigation table of contents passes only when every visible label appears in the intende […]
EPUB Series Metadata: Add the Volume Number Without Changing the Work Title
A direct answer for EPUB series metadata The safest answer to EPUB series metadata is to store work title, ser […]
EPUB Title Metadata: Keep the Cover, Title Page, and Package Consistent
A book title should have one approved spelling before anyone opens the EPUB settings. Use that wording as the […]
EPUB Table of Contents: Include or Exclude Chapters Deliberately
A chapter can belong in the reading order without needing a line in the table of contents. This EPUB table of […]
EPUB TOC and NCX: Keep Modern and Legacy Navigation Aligned
An EPUB can carry a modern navigation document and an NCX table of contents. They are different files, but whe […]
EPUB OPF Explained: How Rune Studio Builds the Package File
The OPF is the package’s index and reading-order contract. It does not simply repeat a metadata form. It […]