EPUB3 standard uses HTML5 inside it. Some of the additions of HTML5 are semantic tags. This article discusses the use of these tags in EPUB3 publications.
Footnote is an important part of textbooks and sometimes fiction books. This short article discusses the implementation of footnotes in EPUB3
EPUB3 has two methods of links, the standard HTML links and CFI which is a flexible link method unique to EPUB3. This article is an introduction to the CFI system.