reader online di epub:
http://idpf.org/sites/default/files/cloud-reader/index.html
Esempi scaricabili:
http://idpf.github.io/epub3-samples/samples.html
http://idpf.github.io/epub3-samples/
EDUPUB:   https://github.com/IDPF/edupub
progetto git a cui contribuire:
https://github.com/idpf/epub3-samples
overwiev: http://www.idpf.org/epub/301/spec/epub-overview.html
 
test reader: http://www.epubtest.org/testsuite/
 
test epub3: http://validator.idpf.org
 
Documenti da leggere per forza: http://www.idpf.org/accessibility/guidelines/content/xhtml/toc.php