Q: What for showing Cyrilic text in CYBOOK in different formats.
A1: Mobipocket Convertor converts quite well cyrilic TXT/DOC/HTML in PRC and it is shown correctly with internal fonts.
A2: simple TXT files in ASCII format can be viewed by using fonts found HERE
for win1251 or KOI8 encoding.
A3: PDF shows cyrilic text correctly.