[DMcCunney]

I use Calibre to manage my eBook library, and the primary eBook viewing device is an Android tablet running Android 4.2 Jellybean.

When adding books to the device, I must connect the tablet to the Windows machine where the primary library is stored, and turn on USB storage on the device. Windows detects the presence of the device, and the tablet internal storage appears as drive E: and the external SD card where the eBooks are stored appears as drive F:

When I click Connect to Folder in Calibre, it connects to the folder on the SD card I specified as the eBook folder, and a Device column appears in the Calibre GUI. After reading the metadata stored on the device, check marks appear in the Device column for books in the library that are on the device.

The problem is, the tablet must be plugged in with USB storage turned in and Calibre connected to the folder for that column and list to appear. It would be really nice if I could see which books were on the device without having to connect it.

Is there a way to get Calibre to create a local copy of the list of books on device, so I can see which books are on device without having to connect it? This ideally could be just another column in Calibre's display with a boolean value as to whether or not the book was also on the device, which would get updated like everything else when books were added to or removed from the device in Calibre.

I believe this sort of thing is device dependent, and depends on the driver Calibre uses.

Thanks in advance.
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Dennis