Originally Posted by DoctorOhh
They worked it out if you have Linux or Windows 7 you can connect via MTP (usb). If you have Mac or Windows XP for now you either need to email books to your device or use the content server.
Fire HD runs a flavor of Android, so I'd assumed Calibre Companion (from Google Play) could run on it. But from your post, I gather my assumption was wrong? Also, that raises another question: are there any e-ink devices which, if jailbroken, Calibre Companion could run on?