okay, well so far, I can read in the calibre metadata file and parse all of it's content, and I can read in the book information from the eDGe library.

to be able to use this you will need to have moved your library onto the SD card. it will not work unless you have done this as security will not allow other apps to access private data (general android security thing)

I will keep this post updated with my progress.

p.s. if anyone has any ideas for a UI for this please get in touch, I haven't a clue at the moment.

andy.