wp2epub
Convert your WordPress blog to ePub!
wp2epub generate epub files, ready to publish, for iPad, iPhone and other readers. Just choose the tags, categories or dates to export. It’s done. You are now a bloguer and a writer. wp2epub also export in html, and then you can open with a wordprocessor to convert into PDF or other formats. A good way to backup your blog. Possible integration on each post.