Originally Posted by judyhill
I tried to convert a book from lit to lrf using Calibre and received an error message 'unable to decrypt title key' . Any suggestions to fix this?
You must have a LIT book with DRM on it. You need to google for ConvertLIT... download it and follow the readme on how to remove the DRM from the LIT file but "downconverting" it. Once you have done that Calibre will be able to convert it to .LRF.