Originally Posted by HarryT
Just delete the surplus ".jar" extension. Basically what's happened is that the browser has said:
Hmmm - I don't know what a ".epub" file is - let's look inside it and see if we recognise it. Hey - it looks like a ZIP archive. Now what programs are installed on this computer that handle ZIP files? I know! A Java Archive file is a ZIP file, so let's give the file a ".jar" extension!
That is one talkative browser!
I didn't know that Harry Harrison published other books in Russian. Were those also Deathworld books?