Every EPUB publication should include a guide to all the major landmarks (the
The nature of each landmark must be identified in an
epub:type attribute on its link element
a). Common landmark properties from the EPUB 3 Structural Semantics Vocabulary include the following:
toc nav, the
landmarks nav must only be a
single flat listing of links.
landmarks navif the
toc navalready links to everything?
Not only does the
landmarks nav simplify access to major sections of the publication,
without having the navigate the entire table of contents, but it also facilitates reading system
behaviors. A device that gives the option to automatically open to the first page of the body,
for example, or provides quick links to the index or glossary can make use of the extra semantics
landmarks nav to this end.
guidein the package document?
Like the ability to include an NCX file, the
guide element exists in EPUB 3 only to
facilitate forwards compatibility in older reading systems. You are not required to support older
systems, but if you decide to you should include a