Originally Posted by itimpi
This may mean that FBReader is not fully OPDS compatible. You might want to try some of the other compatibility options (such as STANZA) as Stanza suffers from the same issue without STANZA compatibility set..
I think - It's working now - (btw: just discovered epub is zipped too - so no need to keep zip files format
Calibre -> Converted all files to epub
Calibre2Opds -> Stanza
Fbreader/OPDS works fine now !!!