Originally Posted by wallcraft
See Side loading books on the Fire
. Some of the posts in that thread report that the Reader app open fails but the ebook is in Books when they look (also look in Docs), but others say they have to move the file explicitly to the Books folder (or Documents, it does not matter which), using a file manager app, and it then takes a reboot for them to show up.
I will just wait and hopefully someone can figure out an easier way to get it to work. That is one of the features I like about Calibre is the webserver function.